CELLEGY PHARMACEUTICALS INC
S-3, 1996-09-05
PHARMACEUTICAL PREPARATIONS
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    As filed with the Securities and Exchange Commission on September 5, 1996
                                                       Registration No. 33-_____
================================================================================
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                             ----------------------
                                    FORM S-3
                             REGISTRATION STATEMENT
                                      Under
                           THE SECURITIES ACT OF 1933
                             ----------------------
                          CELLEGY PHARMACEUTICALS, INC.
             (Exact name of Registrant as specified in its charter)
           California                                            82-0429727
(State or other jurisdiction of                               (I.R.S. employer
 incorporation or organization)                              identification no.)

                             ----------------------

                       1065 E. Hillsdale Blvd., Suite 418
                          Foster City, California 94404
                                 (415) 524-1600
               (Address, including zip code, and telephone number,
        including area code, of Registrant's principal executive offices)

                              --------------------

                            Carl R. Thornfeldt, M.D.
            Acting Chief Executive Officer and Chairman of the Board
                          Cellegy Pharmaceuticals, Inc.
                       1065 E. Hillsdale Blvd., Suite 418
                          Foster City, California 94404
                                 (415) 524-1600
            (Name, address, including zip code, and telephone number,
                   including area code, of agent for service)

                              --------------------
                                   Copies to:

                              C. Kevin Kelso, Esq.
                                Mark Porter, Esq.
                               Fenwick & West LLP
                         Two Palo Alto Square, Suite 800
                           Palo Alto, California 94306

                              --------------------

Approximate  date of commencement  of proposed sale to the public:  From time to
time after the effective date of this Registration Statement.
         If the only securities  being registered on this Form are being offered
pursuant to dividend or interest  reinvestment plans, please check the following
box.  [ ]
         If any of the  securities  being  registered  on  this  Form  are to be
offered  on a  delayed  or  continuous  basis  pursuant  to Rule 415  under  the
Securities Act of 1933,  other than  securities  offered only in connection with
dividend or interest reinvestment plans, check the following box. |X|
         If this Form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the Securities Act, please check the following box
and list  the  Securities  Act  registration  statement  number  of the  earlier
effective registration statement for the same offering. [ ]
         If this  Form is a  post-effective  amendment  filed  pursuant  to Rule
462(c) under the Securities Act, check the following box and list the Securities
Act  registration   statement  number  of  the  earlier  effective  registration
statement for the same offering. [ ]
<TABLE>
         If delivery of the  prospectus  is expected to be made pursuant to Rule
434, please check the following box. [ ]
                               -------------------
                         CALCULATION OF REGISTRATION FEE
<CAPTION>
- ------------------------------------------------------------------------------------------------------------------------------------
                                                               Proposed Maximum           Proposed Maximum
  Title of Each Class of Securities       Amount to be        Offering Price per         Aggregate Offering             Amount of
           to be Registered                Registered               Share                       Price               Registration Fee
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                                        <C>                   <C>                      <C>                      <C>
Common Stock
                                           5,966,250              $5.8125(1)              $34,678,828.13(1)         $11,958.22(2)
- ------------------------------------------------------------------------------------------------------------------------------------
Common Stock Issuable Upon Exercise
of Initial Public Offering Warrants          661,250(3)           $9.375(3)               $6,199,218.75(3)           $2,137.66(3)
- ------------------------------------------------------------------------------------------------------------ -----------------------
Common Stock Issuable upon exercise
of Representatives' Warrants                 115,000(3)          $10.313(3)               $1,185,937.50(3)             $408.94(3)
                                                          
- ------------------------------------------------------------------------------------------------------------------------------------
Common Stock Issuable upon exercise   
of warrants included in                       57,500(3)          $15.469(3)                 $889,467.50(3)             $306.71(3)
Representatives" Warrants
- ------------------------------------------------------------------------------------------------------------------------------------
Total.......................................................................................................        $14,811.53(2)(3)
- ------------------------------------------------------------------------------------------------------------------------------------
<FN>
(1)    Estimated  solely  for the  purpose  of  calculating  the  amount  of the
       registration fee, pursuant to Rule 457(c) under the Securities Act, based
       on the last sales price of the Common Stock on the Nasdaq SmallCap Market
       on September 3, 1996.

(2)    Pursuant  to  Rule  429  under  the  Securities  Act,  this  Registration
       Statement  relates  to  securities  previously  registered  on Form SB-2,
       Registration  No.   33-03401,   on  or  about  June  27,  1996.  On  that
       Registration Statement, the Company registered 5,000,000 shares of Common
       Stock at a  maximum  offering  price  per  shares  of  $6.56,  and paid a
       registration fee of $11,311.  Of the shares registered on that Form SB-2,
       4,000,000 were shares  issuable upon conversion of 750 Shares of Series A
       Convertible  Preferred Stock.  The number of shares  obtainable upon such
       conversions  depends on several  factors,  including  a fixed  conversion
       ratio and a variable  conversion  ratio and the date on which such shares
       are converted. Since the filing of that Form SB-2, the Company has issued
       171,640 shares registered  thereon as a result of such  conversions.  The
       Company now  believes  that only  3,379,857  shares will be  necessary to
       cover the remaining  conversions.  As a result, 448,503 shares covered by
       that Form SB-2 are no longer reserved for such  conversions.  In order to
       take  credit for the filing fee paid on that Form SB-2,  the  Company has
       removed the 171,640 shares related to past conversions from the 5,000,000
       shares registered on that Form SB-2, and carried the remaining  4,828,360
       shares  of  Common  Stock,  for  which  the  Company  previously  paid  a
       registration fee of $10,922.08,  onto this Registration  Statement.  As a
       result of this credit against the registration fee herein, Registrant now
       owes  $1,036.14  for the  registration  of the shares of Common  Stock to
       which this note relates.  Registrant has previously caused the payment of
       $1,164.72 in connection with this filing fee.

(3)    Pursuant  to  Rule  429  under  the  Securities  Act,  this  Registration
       Statement  relates  to  securities  previously  registered  on Form SB-2,
       Registration  No.  333-93288-LA,  on or about August 11, 1995.  From this
       earlier  statement  833,750  shares of  Common  Stock  have been  carried
       forward and $3,652.27  filing fee  associated  with such  securities  was
       previously paid, leaving no filing fee due for these shares.
</FN>
</TABLE>
                              --------------------
The registrant hereby amends this  Registration  Statement on such date or dates
as may be necessary to delay its effective date until the Registrant  shall file
a further amendment which specifically  states that this Registration  Statement
shall  thereafter  become  effective  in  accordance  with  Section  8(a) of the
Securities  Act of  1933  or  until  the  Registration  Statement  shall  become
effective on such date as the Commission,  acting pursuant to said Section 8(a),
may determine.

================================================================================

<PAGE>

                                                      
This Prospectus and the information  contained  herein are subject to completion
or  amendment.  These  securities  may not be  sold,  nor may  offers  to buy be
accepted,  prior to the time the prospectus is delivered in final form. Under no
circumstances shall this Preliminary  Prospectus  constitute an offer to sell or
the  solicitation  of an  offer  to buy nor  shall  there  be any  sale of these
securities in any  jurisdiction in which such offer,  solicitation or sale would
be unlawful prior to registration or qualification  under the securities laws of
any such jurisdiction.

                  Subject to Completion dated September 5, 1996
PROSPECTUS
                        6,800,000 Shares Of Common Stock
                          CELLEGY PHARMACEUTICALS, INC.

      This  prospectus  (this  "Prospectus")  covers the  resale of shares  (the
"Shares")  of Common  Stock,  no par value  (the  "Common  Stock"),  of  Cellegy
Pharmaceuticals,  Inc.  ("Cellegy"  or the  "Company"),  held or  acquirable  by
certain persons ("Selling  Shareholders")  named in this Prospectus.  The Shares
include   shares  of  Common  Stock  that  are  issuable   upon   conversion  of
previously-issued  shares of Series A Preferred Stock (the "Series A Preferred")
held by certain of the Selling Shareholders (the "Series A Holders"),  and up to
an  additional  2,586,393  shares of Common Stock that are held by certain other
Selling  Shareholders or that are issuable upon exercise of warrants to purchase
Common  Stock  held  by  certain   other  Selling   Shareholders  (the  "Selling
Shareholders Warrants").  In addition,  this Prospectus covers 661,250 shares of
Common Stock  issuable upon  exercise of warrants to purchase  Common Stock (the
"IPO Warrants") issued and sold as part of the Company's initial public offering
in August 1995 (the "IPO").  Each IPO Warrant entitles its holder to acquire one
share of Common  Stock (each an "IPO  Warrant  Share") at an  exercise  price of
$9.375,  subject to adjustments  under certain  circumstances,  from the date of
issuance until August 11, 2000, if not earlier redeemed by the Company. Finally,
this  Prospectus  covers  172,500  shares  issuable upon exercise of warrants to
purchase Common Stock (the  "Representatives'  Warrants") issued and sold to the
Representatives  of the Underwriters in the IPO. Each  Representatives'  Warrant
entitles the holder to acquire,  for a purchase price of $20.625,  two shares of
Common  Stock and one Common  Stock  Purchase  Warrant to acquire an  additional
share of Common  Stock at an exercise  price of $15.469.  The shares  obtainable
upon exercise of the  Representatives'  Warrants including those obtainable upon
exercise of the warrant  included  therein are referred to as  "Representatives'
Warrant  Shares."  The Shares,  IPO  Warrant  Shares,  and the  Representatives'
Warrant Shares are referred to hereafter collectively as the "Securities." While
the Company will receive proceeds from the exercise of all warrants described in
this  paragraph,  it will not receive any of the proceeds from the resale of the
Securities.  See "Selling  Shareholders"  for information with respect to Shares
held or acquirable by the Selling Shareholders.

      The number of Shares  issuable  upon  conversion of the Series A Preferred
depends on several  factors,  including a fixed  conversion ratio and a variable
conversion  ratio  and the date on which  shares  are  converted.  The  variable
conversion  ratio could  result in a greater  number of Shares being issued than
under the fixed conversion ratio. In order to have a sufficient number of Shares
registered  upon  conversion  of Series A Preferred,  this  Prospectus  covers a
larger  number of Shares of Common  Stock  (3,379,857  Shares)  than the Company
believes  will  actually  be  issued  upon  conversion  of all of the  Series  A
Preferred.  Except  for the total  number of  shares  to which  this  Prospectus
relates as set forth  above,  references  in this  Prospectus  to the "number of
Shares covered by this  Prospectus," or similar  statements,  and information in
this Prospectus regarding the number of Shares issuable to or held by the Series
A Holders and percentage  information  relating to the Shares or the outstanding
capital  stock of the  Company,  are based upon the fixed  conversion  ratio set
forth in the instruments  establishing  the rights of the Series A Preferred and
assume that 1,614,138  Shares are issued upon conversion of all remaining shares
of Series A Preferred. See "Selling Shareholders," "Plan of Distribution."

      The Securities covered by this Prospectus  represent  approximately 90% of
the Company's  currently  outstanding  Common Stock (assuming  conversion of all
shares of Series A  Preferred  into  1,614,138  shares of Common  Stock and that
Selling Shareholders' Warrants, IPO Warrants, the Representatives'  Warrants and
the  warrants  issuable  upon  exercise  of the  Representatives'  Warrants  are
exercised).  The Securities are being offered on a continuous  basis pursuant to
Rule 415 under the Securities Act of 1933, as amended (the "Securities Act"). No
underwriting  discounts,  commissions  or expenses are payable or  applicable in
connection  with the sale the  Securities,  except that the Company  will pay to
Paulson Investment, Inc. or National Securities Corporation, as the case may be,
a 3% solicitation  fee for each exercise of the IPO Warrants that it solicits in
the event the  Company  exercises  its  rights to redeem the IPO  Warrants.  The
Company will not receive any of the proceeds  from the sale of the Shares by the
Selling  Shareholders.  The  Common  Stock of  Cellegy  is quoted on the  Nasdaq
SmallCap  Market under the symbol  "CLGY" and the IPO Warrants  under the symbol
"CLGYW."  The  Shares  offered  hereby  will be sold  from  time to time at then
prevailing  market prices,  at prices relating to prevailing market prices or at
negotiated  prices. On August 28, 1996, the closing price of the Common Stock on
the Nasdaq SmallCap Market was $5.875 per share.  This Prospectus may be used by
the Selling Shareholders,  the IPO Warrant holders, the Representatives' Warrant
holders or by any broker-dealer who may participate in sales of the Common Stock
covered hereby.


                                       1
<PAGE>


See "RISK FACTORS" commencing on page 4 for a discussion of certain factors that
should be  considered  in  connection  with an  investment  in the Common  Stock
offered hereby.

<TABLE>
  THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
       EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE
           SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES
               COMMISSION PASSED UPON THE ACCURACY OR ADEQUACY OF
                   THIS PROSPECTUS. ANY REPRESENTATION TO THE
                         CONTRARY IS A CRIMINAL OFFENSE.

============================================================================================================
<CAPTION>
                                                    Underwriting
                                                   Discounts and      Proceeds to       Proceeds to Selling
                                 Price to Public     Commissions       Company             Shareholders
- ------------------------------------------------------------------------------------------------------------
<S>                            <C>                      <C>              <C>             <C>
Per Share....................  see text above(1)        none             none            see text above(2)
Per IPO Warrant Share........        $9.375             none(2)          none                  none
Per Representatives' Warrant
 Share.......................       $10.313             none             none                  none
Per Underlying Share.........       $15.469             none             none                  none

- ------------------------------------------------------------------------------------------------------------
Total.........................  See text above(1)       none             none             see text above (2)
============================================================================================================
<FN>
(1) The shares of Common Stock  registered  hereunder  will be sold from time to
    time at the then prevailing  market prices, at prices relating to prevailing
    market prices or at negotiated prices.
(2) However,  the  Company  will  pay  solicitation  fees to National Securities
    Corporation and Paulson Investments, Inc., respectively for all exercises of
    the IPO Warrants it successfully solicits in the event of a redemption call.
    See   -- Plan   of   Distribution, "IPO  Warrants,   IPO   Warrant   Shares,
    Representatives' Warrants and Representatives' Warrant Shares" below.
(3) The Company will pay the expenses of registration estimated at $16,036.


                     The date of this Prospectus is , 1996.
</FN>
</TABLE>

                                       2
<PAGE>


                              AVAILABLE INFORMATION

      The Company is subject to the informational requirements of the Securities
Exchange  Act of 1934,  as amended  (the  "Exchange  Act"),  and, in  accordance
therewith,  files  reports,  proxy  statements  and other  information  with the
Securities  and Exchange  Commission  (the  "Commission").  Such reports,  proxy
statements  and other  information  filed by the  Company can be  inspected  and
copied at the public  reference  facilities  of the  Commission  located at Room
1024,  Judiciary Plaza, 450 Fifth Street, N.W.,  Washington,  D.C. 20549, at the
Commission's regional offices at Seven World Trade Center, 13th Floor, New York,
New York 10048, and Northwestern  Atrium Center, 500 West Madison Street,  Suite
1400,  Chicago,  Illinois  60661-2511.  Copies  of such  materials  can  also be
obtained  from the  Public  Reference  Section of the  Commission  at Room 1024,
Judiciary Plaza, 450 Fifth Street,  N.W.,  Washington,  D.C. 20549 at prescribed
rates.  The Company's  Common Stock is listed on the Nasdaq  SmallCap Market and
reports,  proxy statements and other  information  concerning the Company may be
inspected  at the  offices  of the Nasdaq  Stock  Market,  1735 K Street,  N.W.,
Washington, D.C. 20006-1500.

      The Company has filed with the Commission a Registration Statement on Form
S-3 under the  Securities Act with respect to the Shares  offered  hereby.  This
Prospectus does not contain all of the information set forth in the Registration
Statement and the exhibits and schedules thereto.  For further  information with
respect to the Company and the Common Stock offered hereby, reference is made to
the  Registration  Statement  and  the  exhibits  filed  therewith.   Statements
contained  in this  Prospectus  as to the  contents of any contract or any other
document  referred  to  are  not  necessarily  complete,  and in  each  instance
reference  is made to the copy of such  contract or other  document  filed as an
exhibit to the  Registration  Statement,  each such statement being qualified in
all respects by such  reference.  A copy of the  Registration  Statement  may be
inspected, without charge, at the offices of the Commission in Washington, D.C.,
and copies of all or any part of the Registration Statement may be obtained from
the Public  Reference  Section of the Commission at Room 1024,  Judiciary Plaza,
450 Fifth Street,  N.W.,  Washington,  D.C. 20549,  upon the payment of the fees
prescribed by the Commission.

      The Company  hereby  undertakes to provide  without charge to each person,
including any  beneficial  owner,  to whom this  Prospectus  is delivered,  upon
written or oral request of such person, a copy of any and all of the information
that has been  incorporated  by reference in this  Prospectus (not including the
Exhibits  to the  information  that is  incorporated  by  reference  unless such
Exhibits are  specifically  incorporated by reference into the information  that
this  Prospectus  incorporates).  Requests  should be  directed to Mr. A Richard
Juelis,  Chief  Financial  Officer,  Cellegy  Pharmaceuticals,   Inc.,  1065  E.
Hillsdale  Blvd.,  Suite 418,  Foster  City,  CA 94404;  telephone  number (415)
524-1600.

                 INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE

         The following  documents  filed with the  Commission  are  incorporated
herein by reference:

         (a)  The  Company's  Annual  Report  on  Form  10-KSB  filed  with  the
Commission for the fiscal year ended December 31, 1995.

         (b) The  Company's  Quarterly  Report  on Form  10-QSB  filed  with the
Commission for the quarter ended March 31, 1996.

         (c) The  Company's  Quarterly  Report  on Form  10-QSB  filed  with the
Commission for the quarter ended June 30, 1996.

         (d) All  documents  filed by the Company  pursuant  to Sections  13(a),
13(c),  14 and 15(d) of the Exchange Act following  the date of this  Prospectus
and prior to the termination of the Offering contemplated hereby.

         (e) The  description  of the  Company's  Common Stock  contained in the
Company's Registration Statement on Form 8-A filed with the Commission on August
1, 1995.

         (f) The Company's report on Form 8-K, dated July 10, 1996.

                                       3
<PAGE>

                                   THE COMPANY

      Cellegy Pharmaceuticals, Inc. is a pharmaceutical company which is engaged
in the development of proprietary products for the skin, including  prescription
therapeutic  products  for  skin  disorders,  non-prescription  over-the-counter
consumer  products to repair and protect damaged skin and drug delivery products
using the skin as a portal of entry.

      The Company was  incorporated  in California  in 1989. In April 1992,  the
Company entered into an agreement with Neutrogena  Corporation pursuant to which
Neutrogena  made a  $5,000,000  equity  investment  in the Company and  licensed
certain  of the  Company's  products,  principally  for  consumer  applications.
Neutrogena  also acquired the rights to the  Company's  azelaic acid product for
$1,000,000 in 1994. In 1993, Dr. Carl Thornfeldt, Co-Founder and Chairman of the
Board of the Company, recruited Dr. Peter Elias to collaborate with Cellegy. Dr.
Elias is the Vice-Chairman of the Department of Dermatology of the University of
California,  San Francisco School of Medicine, and a director of the Company and
Co-Chairman of the Company's  Scientific  Advisory  Board.  In 1993, the Company
entered into a license agreement with the University of California providing for
a skin barrier  repair  formulation  developed by Dr. Elias.  In March 1994, the
Company entered into a second license agreement for technology  relating to drug
delivery by skin barrier disruption.

      The  principal  executive  offices of the  Company  are located at 1065 E.
Hillsdale  Blvd.,  Suite 418, Foster City, CA 94404 and its telephone  number is
(415) 524-1600.  In this  Prospectus,  the term "Cellegy" or "Company" refers to
Cellegy  Pharmaceuticals,  Inc., a  California  corporation,  and  subsidiaries,
unless the context otherwise requires.

                                  RISK FACTORS

      Investors should consider carefully the following factors,  in addition to
the other information contained in this Prospectus, before purchasing the shares
of Common Stock offered hereby. Except for the historical  information contained
in this Prospectus,  this Prospectus contains  forward-looking  statements which
involve  risks and  uncertainties.  The Company's  actual  results may differ in
material respects from the results discussed in the forward-looking  statements.
Factors  that might  cause such a  difference  include,  but are not limited to,
those discussed below.

      Early  Stage of Product  Development.  Cellegy has not yet  completed  the
development of any products or sought  regulatory  approval for the marketing of
products and, accordingly, has not begun to market or generate revenues from the
commercialization of products.  Development of products will require significant
additional research and development,  including process  development,  extensive
clinical testing and market research.  All of the Company's product  development
efforts are based upon  technologies  and  therapeutic  approaches that have not
been widely  tested or used.  Moreover,  the  Company's  beliefs  regarding  the
therapeutic  and  commercial  potential  for its potential  products,  including
without limitation its drug delivery and skin protectant products,  are based on
preliminary  assays or studies,  and later studies may not support the Company's
current  beliefs.  In addition,  results of the Company's tests and studies have
not been published in medical journals or reviewed by independent  third parties
(other than the third  parties that in some  instances  conducted the studies on
behalf of the  Company),  and as a result  have not been  subjected  to the same
degree of scrutiny as results that have been published or subjected to review by
independent  parties. To the Company's  knowledge,  no company has yet completed
human  clinical  trials  for the  regulatory  approval  process,  or  undertaken
successfully commercial manufacture, of products that are based on the Company's
proprietary  technologies,  and it is extremely  difficult to predict whether or
when  the  Company's  products  will  meet  with  regulatory  approval,  can  be
manufactured successfully, or will be accepted in the marketplace.

      As a result, the Company's  potential products are subject to the risks of
failure inherent in the development of products based on new technologies. These
risks include the possibilities that the Company's  therapeutic  approaches will
not be successful,  as was the case with an assay study conducted using Glylorin
for  impetigo;  that the results from future  clinical  trials may not correlate
with any safety or effectiveness  results from prior clinical studies  conducted
by the Company or others;  that some or all of the Company's  potential products
will not be successfully developed or will not be found to be safe and effective
by the United States Food and Drug Administration (the "FDA"), or otherwise will
fail to meet applicable  regulatory  standards or receive  necessary  regulatory
clearances;  that the  products,  if safe and  effective,  will be  difficult to
manufacture in commercial quantities at reasonable costs or will be uneconomical
to market;  that  proprietary  rights of third


                                       4

<PAGE>


parties will preclude the Company from  commercializing  such products;  or that
third parties will market  superior or  equivalent  products.  In addition,  the
failure  of  the  Company's  most  advanced  clinical  compound,   Glylorin,  to
successfully  complete  it  current  phase  III  and  future  clinical  testing,
including  toxicology  studies,  could  have a  material  adverse  effect on the
Company.  There can be no  assurance  the  Company's  research  and  development
activities will result in any commercially viable products.

      The timetable for the completion of the various milestone events that must
occur in order for the  Company's  products to be approved  and marketed is very
uncertain.  Pharmaceutical research and development is frequently  characterized
by scientific and regulatory  delays and  disappointments.  Although the Company
may set  target  dates for the  completion  of  various  milestone  events,  the
uncertainties and risks in the Company's product development and testing efforts
mean that  decisions on whether to invest in the Company  should not assume that
the targets will be met.

      The evaluation of animal and human clinical test results  involves  making
judgments about data and other information that often are not conclusive.  Later
testing  may show those  judgments  to have been  erroneous.  For  example,  the
Company's beliefs regarding the potential  comparative  therapeutic  benefits of
its products compared to currently  marketed  products may be erroneous,  or the
FDA may not  agree  with  the  Company's  conclusions  regarding  such  matters.
Furthermore,  due to the  independent and blind nature of certain human clinical
testing,  there will be extended  periods  during the testing  process  when the
Company will have only limited, or no, access to information about the status or
results of the tests.  Other  pharmaceutical  companies have believed that their
products performed satisfactorily in early tests, only to find their performance
in later  tests,  including  Phase III  clinical  trials,  to be  inadequate  or
unsatisfactory,  or that FDA  Advisory  Committees  have  declined to  recommend
approval of the drugs, or that the FDA itself refused approval,  with the result
that such companies' stock prices have fallen precipitously.

      Shares Eligible for Sale;  Possible Effect on Stock Price.  The Securities
offered by this Prospectus represent approximately 50% of the outstanding shares
of Common Stock,  calculated assuming the issuance of 1,614,138 shares of Common
Stock  upon  conversion  of all  shares  of  Series  A  Preferred  and  that all
Securities  issuable upon the exercise of outstanding  warrants have been issued
and  are   outstanding.   Especially   since  the  Company's  Common  Stock  has
historically  had a low trading  volume,  sale of  Securities in the open market
could have a material adverse effect on the market price of the Common Stock.

      All persons who were shareholders of the Company before its initial public
offering  in  August  1995  ("IPO")  and who owned  more  than 1% of the  shares
outstanding after the IPO ("Pre-IPO  Shareholders")  executed lock-up agreements
with the representatives (the  "Representatives") of the underwriters in the IPO
that  restricted  the sale or  disposition of such shares until August 17, 1996.
With the  expiration of the Lock-up  agreements on August 17, 1996,  most of the
shares of Common Stock that were outstanding before the IPO have become eligible
for sale in the public market,  subject to compliance with Rule 144 or Rule 701,
and subject to any applicable  state  securities law  restrictions  on resale of
such shares.

      Competition  and  Technological  Change.  The  pharmaceutical  industry is
subject  to rapid  and  significant  technological  change.  Competitors  of the
Company in the United States and abroad are numerous and include,  among others,
major pharmaceutical,  chemical and biotechnology companies,  specialized firms,
universities and other research institutions. There can be no assurance that the
Company's  competitors will not succeed in developing  technologies and products
that are more  effective  than any which are being  developed  by the Company or
that would render the Company's  technology and potential  products obsolete and
noncompetitive.  Many of these competitors have substantially  greater financial
and technical  resources and  production  and  marketing  capabilities  than the
Company.  In addition,  many of the  Company's  competitors  have  significantly
greater  experience  than the Company in preclinical  testing and human clinical
trials of  pharmaceutical  products  and in obtaining  FDA and other  regulatory
approvals of products for use in health care. There can be no assurance that the
Company's  products under development will be able to compete  successfully with
existing products or products under development by other companies, universities
and other  institutions  or that they will  obtain  regulatory  approval  in the
United States or elsewhere.

      Accumulated  Deficit;  Anticipated  Income or Losses.  The  Company had an
accumulated net loss of $12.012  million at June 30, 1996. The Company  incurred
net losses for the fiscal years ended  December 31, 1994 and 1995, of $2,543,499
and  $2,151,877,  respectively,  a net income for the six months  ended June 30,
1995 of $306,000  and a net loss of $992,000  for the six months  ended June 30,
1996, respectively. The


                                       5
<PAGE>


Company expects to incur  substantial and increasing net losses for at least the
next several  years,  the amount of which is highly  uncertain.  There can be no
assurance  that the Company  will ever be able to generate  product  revenues or
achieve  or sustain  profitability.  The  Company  will be  required  to conduct
significant research, development,  testing and regulatory compliance activities
that, together with projected general and administrative  expenses, are expected
to result in significant  operating  losses for at least the next several years.
The  Company's  ability to achieve  profitability  depends  upon its  ability to
successfully complete, either alone or with others, development of its potential
products,  successfully  conduct  clinical  trials,  obtain required  regulatory
approvals, find appropriate third party manufacturers and market its products or
enter into license  agreements  on  acceptable  terms.  In the event the Company
enters into any future license agreements, such license agreements may adversely
affect the Company's profit margins on its products.

      Future Capital Needs;  Uncertainty  of Additional  Funding.  The Company's
operations to date have consumed substantial amounts of cash. The Company has no
current source of ongoing  revenues or capital beyond existing cash. In order to
complete  the  research  and  development  and  other  activities  necessary  to
commercialize its products,  additional financing may be required. The Company's
capital  requirements  depend on numerous factors,  including without limitation
the  progress  of  its  research  and  development  programs,  the  progress  of
preclinical  and  clinical  testing,  the time and costs  involved in  obtaining
regulatory approvals, the costs of filing, prosecuting,  defending and enforcing
any  patent   claims  and  other   intellectual   property   rights,   competing
technological  and  market  developments,  changes  in  the  Company's  existing
research  relationships,  the ability of the Company to establish  collaborative
arrangements,  the development of commercialization activities and arrangements,
and the purchase of capital equipment.

      In April 1996, the Company  completed a private placement of 750 shares of
Series A  Preferred  Stock  resulting  in net  proceeds  of  approximately  $6.8
million.  The Company believes that its existing resources will satisfy its cash
requirements for at least 18 months from the date of this Prospectus, based upon
the Company's current plan. At some future date thereafter, however, the Company
may require  substantial  additional  capital to fund its  operations,  continue
research and development  programs and  preclinical and clinical  testing of its
potential  products and conduct its business.  The Company may seek any required
additional   funding   through   equity   offerings,   private   financings  and
collaborative  or  other  arrangements  with  third  parties.  There  can  be no
assurance  that  additional  funds will be available  on  acceptable  terms.  If
additional funds are raised by issuing equity  securities,  further  substantial
dilution  to  existing  shareholders  may  result.  If  adequate  funds  are not
available,  the Company may be required to delay, scale back or eliminate one or
more of its  research  and  development  programs,  or to obtain  funds  through
entering  into  arrangements  with third parties that may require the Company to
relinquish rights to certain of its technologies or potential  products that the
Company would not otherwise relinquish.

      Limits on Secondary Trading;  Liquidity of Trading Market.  Under the blue
sky laws of most  states,  public  sales of  Common  Stock and IPO  Warrants  by
persons  other than the  Company in  "non-issuer  transactions"  must  either be
qualified  under  applicable  blue sky laws,  or exempt from such  qualification
requirements.  Blue sky  authorities  in  California  or other states may impose
other  restrictions on the secondary  trading of Common Stock or IPO Warrants in
those states. In particular,  the California  Department of Corporations imposed
legend and transfer restrictions on the securities issued in connection with the
Bridge Financing (as defined below)  transaction in January 1995. As a result of
these restrictions, resale of the Securities by the Bridge Investors (as defined
below),  and by  subsequent  purchasers, requires the consent of the  California
Department  of  Corporations  unless the  transfer  is  otherwise  exempt  under
California blue sky law. In either event, buyers of such Securities in secondary
transactions  will  themselves  hold  Securities  subject  to  the  same  legend
requirements  and  restrictions  on  transfers  until such time,  if any, as the
Department of Corporations elects to lift such restrictions.  Moreover,  in many
states,  secondary trading of the Common Stock or IPO Warrants is permitted only
by virtue of an exemption so long as information  about the Company is published
in a recognized  manual such as manuals published by Moody's Investor Service or
Standard & Poor's  Corporation.  As a result of these or other restrictions that
might be imposed,  shareholders  may be restricted  or  prohibited  from selling
Common Stock or IPO Warrants in particular states as a result of applicable blue
sky laws.  These  restrictions  may have the effect of reducing the liquidity of
the Common Stock or IPO Warrants and could adversely  affect the market price of
the Common Stock or IPO Warrants.

                                       6

<PAGE>


      The Common Stock and the IPO  Warrants  are listed on the Nasdaq  SmallCap
Market.  If the Company should be unable to maintain the standards for continued
quotation on the Nasdaq SmallCap  Market,  the Common Stock and the IPO Warrants
could be subject to removal from the Nasdaq SmallCap Market. Trading, if any, in
the  Common  Stock  and  the  IPO  Warrants  would  then  be  conducted  in  the
over-the-counter   market  on  an  electronic  bulletin  board  established  for
securities that do not meet the Nasdaq  SmallCap Market listing  requirements or
in what are commonly  referred to as the "pink sheets." As a result, an investor
would find it more difficult to dispose of, or to obtain accurate  quotations as
to the price of, the  Company's  securities.  In addition,  depending on several
factors  including the future  market price of the Common  Stock,  the Company's
securities could become subject to the so-called "penny stock" rules that impose
additional sales practice and market making  requirements on broker-dealers  who
sell and/or make a market in such securities,  which could affect the ability or
willingness  of  broker-dealers  to sell and/or  make a market in the  Company's
securities  and the ability of purchasers  of the  Company's  securities to sell
their securities in the secondary market.

      Government  Regulation  and  Product  Approvals.  The  research,  testing,
manufacture, labeling, distribution,  marketing and advertising of products such
as the Company's  products and its ongoing  research and development  activities
are subject to extensive  regulation by governmental  regulatory  authorities in
the United States and other  countries.  The rigorous  preclinical  and clinical
testing  requirements  and regulatory  approval process of the FDA in the United
States and of certain foreign regulatory  authorities can take five to ten years
or more and require the  expenditure of substantial  resources.  There can be no
assurance  that the Company will be able to obtain the  necessary  approvals for
clinical  testing  or  for  the  marketing  of  products.  Moreover,  additional
government regulations may be established that could prevent or delay regulatory
approval of the Company's  products.  Delays in obtaining  regulatory  approvals
could have a material adverse effect on the Company. Even if regulatory approval
of a product is granted,  such approval may include  significant  limitations on
the  indicated  uses of the product or the manner in which or  conditions  under
which the product may be marketed.  For example,  even if the Company  seeks FDA
approval of a non-cosmetic product for non-prescription  consumer sales, the FDA
could instead require that the product be distributed by means of a prescription
before  considering  approval for  distribution as a  non-prescription  product.
Prescription only approval, which the Company believes is common where a company
seeks approval for a product  involving a new compound or a compound  previously
approved  for other  uses,  could  delay for  several  years,  or  indefinitely,
distribution  through the consumer  (non-prescription)  channel of the Company's
consumer products which are subject to premarket review and approval by the FDA.
Moreover,  failure to comply  with  regulatory  requirements  could  subject the
Company to  regulatory  or  judicial  enforcement  actions,  including,  but not
limited to, product recalls or seizures,  injunctions, civil penalties, criminal
prosecution,  refusals  to approve  new  products  and  withdrawal  of  existing
approvals, as well as potentially enhanced product liability exposure.  Sales of
the Company's  products  outside the United States will be subject to regulatory
requirements   governing   clinical   trials  and  marketing   approval.   These
requirements vary widely from country to country and could delay introduction of
the Company's products in those countries.

      Patents and Proprietary  Technology.  The Company's  success  depends,  in
part, on its ability to obtain patent  protection  for its products and methods,
both in the United  States  and in other  countries.  Several  of the  Company's
products  are based on  existing  compounds  with a history of use in humans but
which  are being  developed  by the  Company  for new  therapeutic  use for skin
diseases  unrelated  to the  systemic  diseases  for  which the  compounds  were
previously approved.  The Company cannot obtain composition patent claims on all
formulations  that  include  these  compounds,  and will instead need to rely on
patent  claims,  if  any,  directed  to use of the  compound  to  treat  certain
conditions. The Company will not be able to prevent a competitor from using that
formulation or compound for a different purpose.  No assurance can be given that
any additional patents will be issued to the Company, that the protection of any
patents that may be issued in the future will be significant, or that current or
future  patents  will be held  valid  if  subsequently  challenged.  There  is a
substantial  backlog  of patent  applications  at the United  States  Patent and
Trademark Office ("USPTO").

      The  patent  position  of  companies  engaged  in  businesses  such as the
Company's business generally is uncertain and involves complex legal and factual
questions.  Further,  issued  patents  can later be held  invalid  by the patent
office  issuing  the patent or by a court.  There can be no  assurance  that any
patent applications  relating to the Company's products or methods will issue as
patents, or, if issued, that the patents will not be challenged, invalidated, or
circumvented  or that the rights granted  thereunder  will provide a competitive
advantage to the Company. In addition, other entities may currently have, or may
obtain in the future,  legally  blocking  proprietary  rights,  including patent
rights, in one or more products or methods under development or consideration by
the  Company.   These  rights  may  prevent  the  Company  from  commercializing
technology,  or may require  the Company to obtain a license  from the entity to
practice the technology. There can be no


                                       7

<PAGE>

assurance  that the Company will be able to obtain any such licenses that may be
required  on  commercially  reasonable  terms,  if at all,  or that the  patents
underlying any such licenses will be valid or enforceable. Moreover, the laws of
certain foreign countries do not protect  intellectual  property rights relating
to U.S.  patents as  extensively  as those  rights are  protected  in the United
States. As with other companies in the pharmaceutical  industry,  the Company is
subject  to the risk that  persons  located  in such  countries  will  engage in
development,  marketing or sales  activities of products that would infringe the
Company's patent rights if such activities were in the United States.

      The agreement  pursuant to which the Company has exclusive  license rights
to  certain  barrier  repair  and  drug  delivery  technology  contains  certain
development and performance  milestones  which the Company must satisfy in order
to retain such  rights.  The Company has been  granted an  extension  on certain
milestone  dates.  While the  Company  currently  believes  it will  satisfy the
milestones or be able to negotiate satisfactory  extensions, a loss of exclusive
rights to such technology could have a material adverse effect on the Company.

      Limited Staff; Third Party Relationship. In view of the early stage of the
Company and its research and  development  programs,  the Company has restricted
hiring to research and development  scientists and a small  administrative staff
and has made limited  investments  in marketing,  product  sales and  regulatory
compliance  resources.  The  Company has  certain  key  academic  collaborations
relating to the research,  development  and  commercialization  of its potential
products. Therefore, the Company may be dependent upon the subsequent success of
these outside parties in performing  their  responsibilities.  In addition,  the
Company may enter into  additional  arrangements  with  corporate  and  academic
collaborators  and  others  to  research,  develop  or  commercialize  potential
products.  There can be no assurance  that the Company will be able to establish
any such arrangements or that they will be successful. Failure to enter into any
such  arrangements  that in the future might be necessary  could have a material
adverse effect on the Company's business.

      Risk  of  Product   Liability;   Limited  Product   Liability   Insurance;
Environmental  Matters.  The  testing,  marketing  and sale of human health care
products entails an inherent risk of allegations of product liability, and there
can be no  assurance  that  substantial  product  liability  claims  will not be
asserted  against  the  Company.  The Company has  obtained  limited  amounts of
insurance  relating to its clinical  trials.  There can be no assurance that the
Company will be able to obtain or maintain insurance on acceptable terms for its
clinical and commercial  activities or that any insurance  obtained will provide
adequate  protection  against potential  liabilities.  Moreover,  the Company is
subject to  federal,  state and local laws and  regulations  governing  the use,
generation, manufacture, storage, handling and disposal of certain materials and
wastes.  The Company's  research and development  processes involve the limited,
controlled use of hazardous and radioactive materials.  The Company believes its
safety  procedures for handling and disposing of such materials  comply with the
standards  prescribed by such laws and  regulations,  but the risk of accidental
contamination  or  injury  to the  Company's  employees  or  others  from  these
materials  cannot be eliminated.  In the event of such an accident,  the Company
could be held liable for any damages that result,  and any such liability  could
exceed the  resources  of the Company.  Although  the Company  believes it is in
compliance  in all material  respects  with  applicable  environmental  laws and
regulations and currently does not expect to make material capital  expenditures
for environmental control facilities in the near-term, there can be no assurance
that the Company will not be required to incur  significant costs to comply with
environmental  laws and  regulations  in the  future,  or that  the  operations,
business or assets of the Company may not be  materially  adversely  affected by
current or future environmental laws or regulations.

      Dependence Upon Key Employees and Consultants.  The success of the Company
is dependent upon the efforts of its senior management team and key consultants,
including Dr. Carl R. Thornfeldt, Acting Chief Executive Officer and Chairman of
the Board of Directors of the Company, and Dr. Peter M. Elias, a director of and
consultant to the Company and Co-Chairman of the Company's  Scientific  Advisory
Board. A change in the association of one or more of these  individuals with the
Company could  adversely  affect the Company if suitable  replacement  personnel
could not be employed. The Company currently maintains key man insurance or life
insurance  policies  only on Dr.  Peter  Elias.  The success of the Company also
depends upon its ability to continue to attract and retain qualified  scientific
and technical personnel. There is intense competition for qualified personnel in
the areas of the Company's  activities,  and there can be no assurance  that the
Company will be able to continue to attract and retain the  qualified  personnel
necessary  for the  development  or  expansion of its  business.  The failure to
attract and retain such personnel could adversely affect the Company's business.
In addition,  certain members of the Company's  management  team,  including Dr.
Thornfeldt,

                                       8

<PAGE>


are not full-time  employees of the Company.  The Company believes that the time
commitments of the members of its management  team have been  appropriate  given
the Company's developmental stage.

      On July 10, 1996,  the Company  announced  the deaths of William E. Bliss,
its President and Chief Executive Officer,  and Lionel N. Simon, Ph.D., its Vice
President,  Corporate Development,  in an automobile accident.  These losses are
likely to have at least a  temporary  adverse  effect on the  Company.  Dr. Carl
Thornfeldt,  the  Company's  Chairman of the Board,  has been named Acting Chief
Executive  Officer.  Dr. Thornfeldt,  Dr. Denis Burger, a director,  Dr. Michael
Francoeur,  Vice President of Research and  Development,  and A. Richard Juelis,
Vice President, Finance and Chief Financial Officer, are serving on a transition
committee  responsible  for continuing the Company's  corporate  development and
operations.  The Company has also established a search committee,  headed by Dr.
Burger,  has engaged Heidrick & Struggles,  the executive  recruiting firm which
originally  recruited Mr. Bliss, to conduct a nationwide  search for a new Chief
Executive Officer,  and is in the process of interviewing several candidates for
this position.  Although the Company  believes that qualified  personnel will be
retained to succeed Mr. Bliss,  there can be no assurance  that this will be the
case, and failure to retain qualified  replacement  personnel in a timely manner
could have a material adverse effect on the Company.

      Anti-Takeover Provisions.  Certain provisions of the Company's Amended and
Restated  Articles  of  Incorporation,   as  well  as  the  California   General
Corporation Law, could  discourage a third party from attempting to acquire,  or
make it more  difficult  for a third  party to  acquire,  control of the Company
without approval of the Company's Board of Directors. Such provisions could also
limit the price that certain investors might be willing to pay in the future for
shares  of the  Common  Stock.  Certain  of such  provisions  allow the Board of
Directors to authorize the issuance of preferred  stock with rights  superior to
those of the Common  Stock.  The Company is also  subject to the  provisions  of
Section 1203 of the  California  General  Corporation  Law which requires that a
fairness  opinion be provided to the Company's  shareholders  in connection with
their   consideration  of  any  proposed   "interested   party"   reorganization
transaction.


         Volatility  of Stock  Price.  The  stock  market  has from time to time
experienced  significant price and volume  fluctuations that may be unrelated to
the operating performance of particular companies. In addition, the market price
of the  Common  Stock  and the IPO  Warrants,  like  the  stock  prices  of many
publicly-traded pharmaceutical,  chemical and biotechnology companies, may prove
to be  highly  volatile.  Announcements  of  technological  innovations  or  new
commercial products by the Company or its competitors,  developments or disputes
concerning patent or proprietary rights, publicity regarding actual or potential
medical  results  relating to products  under  development by the Company or its
competitors,  regulatory  developments  in both the United  States  and  foreign
countries,  public concern as to the safety of pharmaceutical products, sales of
a large number of shares of Common  Stock in the market,  and economic and other
external factors, as well as period-to-period fluctuations in financial results,
among other  factors,  may have a significant  impact on the market price of the
Common Stock and the IPO Warrants.

                              SELLING SHAREHOLDERS

      The  Selling  Shareholders  consist of (i) the Series A Holders,  (ii) the
Selling  Shareholders who acquired warrants (the "Bridge  Warrants") in a bridge
financing  transaction  in  January  1995 (the  "Bridge  Financing"),  and (iii)
certain  other  holders of  outstanding  shares of Common  Stock or  warrants to
purchase Common Stock (the "Other Shareholders").

      The  registration  statement of which this  Prospectus  is a part is being
filed,  and the Shares offered hereby are included  herein,  pursuant to various
registration rights agreements entered into at various dates between the Company
and the Series A Holders,  Bridge  Investors,  and certain,  but not all, of the
Other Selling Shareholders (collectively, the "Registration Rights Agreements").
Due to (i) the ability of the Selling  Shareholders  to  determine  individually
when and whether  they will sell any Shares under this  Prospectus  and (ii) the
uncertainty  as to how many of the Bridge  Warrants  or other  warrants  will be
exercised and how many shares of Common Stock will be issued upon  conversion of
shares of Series A  Preferred,  the  Company  is unable to  determine  the exact
number of Shares that will actually be sold pursuant to this Prospectus.

                                       9
<PAGE>


The Series A Holders

      The  Selling  Shareholders  identified  in the  table  below as  "Series A
Holders"  acquired an aggregate of 750 shares of Series A Preferred in a private
placement  transaction  (the  "Series A  Transaction")  pursuant  to  Securities
Subscription  Agreements  dated as of April 18 and 19, 1996  (collectively,  the
"Subscription  Agreements").  On July 3,  1996,  the Series A  Preferred  became
convertible  into Common Stock at the option of the Series A Holder.  The number
of  shares  of  Common  Stock  into  which  shares  of  Series A  Preferred  are
convertible  depends on several factors,  including the date on which the shares
are  converted  and  the  market  price  of the  Common  Stock  at the  time  of
conversion.  The figures in the table below representing the number of shares of
Common  Stock  beneficially  owned and  offered by the  Series A Holders  make a
number of assumptions concerning the applicable conversion ratio and the date on
which shares of Series A Preferred are converted. The number of shares of Common
Stock  issuable  upon  conversion of Series A Preferred is calculated in part on
the  basis of the lower of a fixed  conversion  price or a  variable  conversion
price. The variable  conversion  price depends  primarily on the market price of
the  Common  Stock on the date of  conversion.  The  fixed  conversion  price is
$6.6275 per share. Since the Series A Holders paid $10,000 per share of Series A
Preferred,  each share of Series A Preferred is, in general,  convertible into a
number of shares  determined by dividing  10,000 by  the  applicable  conversion
price (plus the premium,  as described below). If the variable  conversion price
on the date of  conversion  is lower  than the fixed  conversion  price,  then a
greater number of shares will be issued. In addition, a conversion premium of 8%
per annum  accrues  from April 19,  1996 until the date of  conversion  and will
result in issuance of a certain number of additional shares of Common Stock upon
conversion of shares of Series A Preferred.

      For the above  reasons,  it is not  possible to set forth in the table the
maximum  number of shares that could be  acquired  by the Series A Holders  upon
conversion  of Shares of Series A  Preferred.  The number of shares set forth in
the table is based on conversion of the Series A Preferred at a conversion price
of $4.25 per share with the 8% premium  calculated  assuming  conversion  of all
shares of Series A Preferred  on August 19,  1996.  Several  factors,  including
whether the market price of the Common Stock is lower than the conversion  price
of $4.25 per share as of August 19, 1996,  could  result in a greater  number of
shares  being  issued to the Series A Holders  than are  reflected  in the table
below.

      As of August 19, 1996, 82 shares of Series A Preferred have been converted
into 171,640 shares of Common Stock.

The Bridge Investors

      The Bridge Investors  acquired the Bridge Warrants in the Bridge Financing
in January 1995. The Bridge Warrants  include a warrant (the "Initial  Warrant")
with an  exercise  price of $0.01  one cent per  warrant.  Upon  exercise  of an
Initial  Warrant,  a Bridge  Investor is entitled to receive one share of Common
Stock and a warrant  (the "Unit  Warrant") to purchase one share of Common Stock
at an exercise  price of $7.81 per share (in some cases,  $5.19 per share).  The
number of shares of Common  Stock  shown as  beneficially  owned and  offered by
Bridge  Investors  in the  table  below  assumes  exercise  of both the  Initial
Warrants and the Unit Warrants.

      Larry J. Wells, one of the Bridge Investors,  is a director of the Company
and is the  Chairman of the entity that acts as the manager of Sundance  Venture
Partners,  L.P., a  shareholder  of the Company.  Mr. Wells is also a partner of
Anacapa Venture Partners, one of the Bridge Investors.

      As a result of  restrictions  on transfers of the  Securities  held by the
Bridge Investors which were imposed by the California Department of Corporations
as a condition of granting a permit qualifying the issuance of securities in the
Bridge Financing transaction in January 1995, even though the Shares issuable to
the Bridge Investors are covered by this Prospectus,  public resale of Shares by
the Bridge  Investors  requires  the  consent of the  California  Department  of
Corporations  unless the  transaction  is otherwise  exempt under the California
Blue Sky law. In either event,  the buyers of such Shares will receive  legended
certificates  subjecting  the  Securities  in the  hands of such  buyers to like
legends and restrictions on further resale.

Other Selling Shareholders

      The  Other  Selling  Shareholders  include,  Neutrogena  Corporation,  the
Commitment Warrant holders (as defined below),  Consultants  Warrant holders (as
defined  below),   Broadmark  Capital   Corporation   ("Broadmark")  and  Swartz
Investments,  LLC  ("Swartz").  Neutrogena,  which is a subsidiary  of Johnson &
Johnson,  is a party with the Company to (i) a License  Option  Agreement  dated
April 16,

                                       10


<PAGE>


1992, (ii) a Metabolic  Moisturizer  OTC License  Agreement dated April 16, 1992
and (iii) a Patent License Agreement effective June 1, 1994.

      In October  1994,  warrants to acquire  44,604 shares of Common Stock were
issued at an  exercise  price of $9.02 per share to  investors  who  planned  to
participate in a proposed  private  placement of preferred stock which was never
consummated (the "Series D Transactions").

      In April 1996,  common stock  purchase  warrants  were granted to James H.
Caplan,  Rene Matthews,  and Jeffrey C. Bruss (the "Consultants  Warrants"),  to
acquire a total of 57,000 shares at an exercise price of $6.25 per share subject
to certain terms and conditions.

      The Company issued  497,817  shares of Common Stock to Carl R.  Thornfeldt
and Peter M. Elias who are founders of the Company and directors.

      Broadmark Capital  Corporation acted as placement agent in connection with
the Bridge  Financing  and  received a  placement  agent's  fee and  warrants to
purchase 35,496 shares of Common Stock in  consideration  of its services in the
Series D  Transactions.  At various  times  before May 1, 1992,  Broadmark  also
purchased shares of Common Stock and has received warrants to purchase shares of
Common Stock in consideration of financial services provided to the Company.

      In  connection  with it  services  as  placement  agent  for the  Series A
Transaction,  Swartz received warrants to purchase up to 86,006 shares of Common
Stock at an exercise price of $7.23 per share, and received a placement  agent's
fee of $570,000.

<TABLE>
      The  following  table and  accompanying  footnotes  identify  each Selling
Shareholder  based upon  information  provided to the  Company,  set forth as of
August 19, 1996, with respect to the Shares  beneficially  held by or acquirable
by, as the case may be, each Selling  Shareholder and the shares of Common Stock
beneficially  owned by the  Selling  Shareholders  which are not covered by this
Prospectus.  Except as described  above,  based on  information  supplied to the
Company, no Selling  Shareholder has had any position,  office or other material
relationship  with the  Company  within the past  three  years.  The  percentage
figures  reflected  in the table  assume  conversion  of all  shares of Series A
Preferred  into  1,614,138  shares of Common  Stock,  and exercise of all Bridge
Warrants,  and all other warrants.

<CAPTION>
                                             Shares Beneficially Owned        Number of       Shares Beneficially     
                                                 Prior to Offering          Shares Being     Owned After Offering
Name                                            Number    Percent(1)          Offered        Number         Percent
- ----                                            ------    ----------          -------        ------         -------
<S>                                             <C>            <C>             <C>              <C>           <C>
Series A Preferred Holders                                                  
AG Super Fund International Partners, L.P. .     36,246         *               36,246          0             0
Banque Scandinave En Suisse ................    120,819        1.6             120,819          0             0
Cameron Capital Ltd. .......................     84,573        1.2              84,573          0             0
Darissco Diversified Investments, Inc. .....     23,005         *               23,005          0             0
Everest Capital International, Ltd..........    244,054        3.3             244,054          0             0
Everest Capital Investments, Ltd. ..........    118,402        1.6             118,402          0             0
GAM Arbitrage, Inc. ........................     72,491        1.0              72,491          0             0
GRACECHURCH and Co. ........................    120,819        1.6             120,819          0             0
KA Investments, LDC ........................     16,915         *               16,915          0             0
LAKE Management LDC ........................     67,658         *               67,658          0             0
Leonardo, L.P...............................    302,047        4.1             302,047          0             0
Raphael, L.P. ..............................     72,491        1.0              72,491          0             0
Richcourt $ Strategies, Inc. ...............     60,409         *               60,409          0             0
The Gifford Fund, Ltd. .....................     84,573        1.2              84,573          0             0
The Tail Wind Fund, Ltd. ...................     60,409         *               60,409          0             0
The OTATO Limited Partnership...............     55,577         *               55,577          0             0
Trustees' IFM Pension Plan Limited. ........     24,164         *               24,164          0             0
West Merchant Bank Nominees, Ltd. ..........     38,341         *               38,341          0             0
</TABLE>                                                              

                                       11

<PAGE>


<TABLE>
<CAPTION>
                                            Shares Beneficially Owned        Number of       Shares Beneficially       
                                                Prior to Offering          Shares Being     Owned After Offering
Name                                           Number    Percent(1)          Offered       Number        Percent
- ----                                           ------    ----------          -------       ------        -------
<S>                                              <C>           <C>        <C>             <C>            <C>
Bridge Investors                                                         
A. B. Laffer, Canto & Associates ...........      6,400         *           6,400          0             0
Larry Adler, CPA............................     16,000         *          16,000          0             0
Anacapa Venture Partners ...................     16,000         *          16,000          0             0
Alan & Lois Bauer ..........................      7,200         *           7,200          0             0
J. Thomas Bentley ..........................     32,000         *          32,000          0             0
Peter Block ................................      7,680         *           7,680          0             0
Dr. & Mrs. Robert Cancro ...................      8,000         *           8,000          0             0
Ken Chamberlin..............................     32,000         *          32,000          0             0
Paul Escobosa ..............................      3,200         *           3,200          0             0
Davis Fox ..................................     12,000         *          12,000          0
James Freitag ..............................      3,200         *           3,200          0             0
G & G Diagnostics LPI ......................     12,000         *          12,000          0             0
Michael Hubbard.............................      7,200         *           7,200          0             0
Intervivos Charitable Remainder                                          
 Unitrust for the Stock's ..................      8,000         *           8,000          0             0
Bernard Keiser .............................     32,000         *          32,000          0             0
Anita Laken ................................     16,000         *          16,000          0             0
Glenn Laken ................................     16,000         *          16,000          0             0
Priscilla J. Ledbetter RevocableTrust.......      4,000         *           4,000          0             0
Chai Mann ..................................     12,000         *          12,000          0             0
Robert Paget ...............................     12,000         *          12,000          0             0
Paradigm Venture Investors, LLC ............    160,000        2.2        160,000          0             0
Herbert L. Pruzan ..........................      8,000         *           8,000          0             0
Barry Reder ................................     3,200          *           3,200          0             0
Dr. David R. Rosencrantz ...................     9,600          *           9,600          0             0
Steven Safran ..............................    12,000          *          12,000          0             0
Seligmann, Dreiling, Beckerman                                           
    Pension Plan FBO Thomas                                              
    R. Dreiling ............................     6,000          *           6,000          0             0
Dr. James C. Shaw...........................    12,000          *          12,000          0             0
Donald and Lucy Stoner......................     24,000         *          24,000          0             0
Timothy Stoner..............................      9,600         *           9,600          0             0
Dr. William M. Tucker.......................     16,000         *          16,000          0             0
United Mizrahi Bank ........................    160,000        2.2        160,000          0             0
Rory Veal ..................................     7,200          *           7,200          0             0
Westminster Associates Limited..............     64,000         *          64,000          0             0
Jon D. Wheeler .............................    12,000          *          12,000          0             0
Frank D. Woodard ...........................      3,200         *           3,200          0             0
                                                                         
Other Selling Shareholders                                               
Goldberg Family Partnership #4 .............      2,957         *           2,957          0             0
Mr. Rory Veal...............................        276         *             276          0             0
William M. Tucker...........................        461         *             461          0             0
Intervivos Charitable Remainder.............        461         *             461          0             0
Peter Rettman...............................      2,772         *           2,772          0             0
Dr. & Mrs. Robert Cancro....................        461         *             461          0             0
James C. Shaw...............................        230         *             461          0             0
Donald and Lucy Stoner......................      1,386         *           1,386          0             0
Harold & Marilyn Fogelquist.................        461         *             461          0             0
Alan & Lois Bauer...........................        276         *             276          0             0
Ken Chamberlin..............................        923         *             923          0             0
Dr. David R. Rosencrantz....................        554         *             554          0             0
Davis Fox...................................        461         *             461          0             0
Jack J. Spritzer............................        461         *             461          0             0
Seligmann, Dreiling, Beckerman Pension Plan.        230         *             230          0             0
Priscilla J. Ledbetter Revocable Trust......        461         *             461          0             0
Northlee Partners, LTD......................        461         *             461          0             0
Herbert L. Pruzan...........................        461         *             461          0             0
</TABLE>                                                                 
                                                                         
                                       12                                
                                                                         
<PAGE>                                                                  

<TABLE>
<CAPTION>
                                              Shares Beneficially Owned     Number of       Shares Beneficially        
                                                  Prior to Offering       Shares Being     Owned After Offering
Name                                             Number    Percent(1)        Offered       Number        Percent
- ----                                             ------    ----------        -------       ------        -------
<S>                                               <C>         <C>            <C>           <C>            <C>
Other Selling Shareholders, cont.                                           
Peter Block.................................        923         *              923          0             0
Jon D. Wheeler PS Profit Sharing Plan Trust.        461         *              461          0             0
Chai Mann c/o Fox's Gam Shop................        461         *              461          0             0
Michael Hubbard.............................        184         *              184          0             0
Gary MacLeod................................        923         *              923          0             0
Edward F. Garth.............................        230         *              230          0             0
Dr. John Yaa................................        230         *              230          0             0
Robert B. Spitzer...........................        230         *              230          0             0
G&G Diagnostics LPI.........................        461         *              461          0             0
Craig Tall..................................        369         *              369          0             0
Dorothy Stoner..............................        461         *              461          0             0
Sally Bigger................................        230         *              230          0             0
Joseph L. Schocken c/o Broadmark Capital Corp.    1,848         *            1,848          0             0
Geoffrey Boguch.............................      1,848         *            1,848          0             0
David Lindsey...............................        461         *              461          0             0
David Hartman...............................      1,848         *            1,848          0             0
Reed A. Corey...............................        923         *              923          0             0
Michael E. Morgan...........................        923         *              923          0             0
Pride E. Davies.............................        276         *              276          0             0
John Meisenbach.............................      1,848         *            1,848          0             0
Universal Partners..........................      1,848         *            1,848          0             0
New York Life Insurance.....................     13,865         *           13,865          0             0
James H. Caplan.............................     30,000         *           30,000          0             0
Rene Matthews...............................      7,000         *            7,000          0             0
Jeffrey C. Bruss............................     20,000         *           20,000          0             0
Carl D. Thornfeldt..........................    400,755        5.5         400,755          0             0
Peter M. Elias..............................     97,062        1.3          97,062          0             0
Neutrogena Corporation .....................    475,560        6.5         475,560          0             0
Broadmark Capital Corporation..............      60,780         *           60,780          0             0
Swartz Investments, LLC.....................     86,006        1.2          86,006          0             0
Larry J. Wells(1)...........................    594,946        8.1         594,946          0             0
- ----------                                                                
<FN>
* Less than 1%.

(1) Includes 569,617 shares  and  warrants  to  purchase  13,865  shares held by
    Sundance Venture Partners, LP. Mr. Wells is Chairman of the entity that acts
    as manager of Sundance.
</FN>
</TABLE>

                                       13


<PAGE>


                              PLAN OF DISTRIBUTION

Selling Shareholders

      The registration  statement of which this Prospectus forms a part has been
filed,  in part,  to fulfill the  Company's  obligation  under the  Registration
Rights Agreements. To the Company's knowledge, as of the date hereof, no Selling
Shareholder has entered into any agreement,  arrangement or  understanding  with
any particular broker or market maker with respect to the Shares offered hereby,
nor does the Company  know the  identity of the brokers or market  makers  which
will  participate in the offering.  The Shares covered hereby may be offered and
sold from time to time by the Selling  Shareholders.  The  Selling  Shareholders
will act  independently  of the  Company  in  making  decisions  concerning  the
exercise  of their  rights  to  obtain  shares  of  Common  Stock,  and will act
independently  of the Company in making  decisions  with  respect to the timing,
manner  and size of each sale.  Such  sales may be made on the  Nasdaq  SmallCap
Market or otherwise, at prices and on terms then prevailing or at prices related
to the then market price, or in negotiated transactions.

         The Shares may be sold by one or more of the following  methods:  (a) a
block trade in which the broker-dealer  engaged by the Selling  Stockholder will
attempt to sell the shares as agent but may position and resell a portion of the
block  as  principal  to  facilitate  the  transaction;  (b)  purchases  by  the
broker-dealer  as principal  and resale by such broker or dealer for its account
pursuant  to  this  Prospectus;  and (c)  ordinary  brokerage  transactions  and
transactions  in  which  the  broker  solicits  purchasers.   To  the  Company's
knowledge,  the Selling  Shareholders  have not, as of the date hereof,  entered
into any arrangement with a broker-dealer for the sale of shares through a block
trade,  special  offering,  or  secondary   distribution  of  a  purchase  by  a
broker-dealer.  In  effecting  sales,  broker-dealers  engaged  by  the  Selling
Shareholders may arrange for other broker-dealers to participate. Broker-dealers
will receive  commissions or discounts from the Selling  Shareholders in amounts
to be negotiated.

         In  offering   their   Shares,   the  Selling   Shareholders   and  any
broker-dealers  who execute sales for the Selling  Shareholders may be deemed to
be  "underwriters"  within the meaning of the Securities Act in connection  with
such  sales,  and any  profits  realized  by the  Selling  Shareholders  and the
compensation of such  broker-dealer  may be deemed to be underwriting  discounts
and commissions.

         Rule  10b-6  under  the  Exchange  Act  prohibits   participants  in  a
distribution  from  bidding  for or  purchasing  for an  account  in  which  the
participant  has a  beneficial  interest,  any of the  securities  that  are the
subject of the distribution.  Rule 10b-7 under the Exchange Act governs bids and
purchases  made to  stabilize  the  price of a  security  in  connection  with a
distribution of the security.

         This  offering  will  terminate as to each Selling  Shareholder  on the
earlier of (a) the date on which such Selling Shareholder's shares may be resold
without volume  restrictions  under the Securities Act; or (b) the date on which
all Shares offered hereby have been sold by the Selling Shareholders.  There can
be no assurance that any of the Selling Shareholders will sell any or all of the
shares of Common Stock offered hereby.

IPO Warrants, IPO Warrant Shares, Representatives' Warrants and Representatives
Warrant Shares

      The  Registration  Statement of which this Prospectus  forms a part covers
the  issuance  of the IPO  Warrant  Shares  upon  exercise  of the IPO  Warrants
including the warrants included therein.  The IPO Warrants are redeemable by the
Company,  in whole or in part, at any time upon at least  30-days' prior written
notice to the registered  holders thereof,  at a price of $0.05 per IPO Warrant,
provided  the closing  price of the Common Stock has been at least $12.50 for at
least ten  consecutive  trading  days ending on a date within 30 days before the
date of the notice of redemption. Furthermore, the Company has agreed that if it
elects to redeem the IPO Warrants, to retain National Securities Corporation and
Paulson  Investments,  Inc., the Representatives of the Underwriters in the IPO,
as the  Company's  solicitation  agents  ("Warrant  Solicitation  Agents").  The
Company has agreed to pay the Warrant  Solicitation  Agents for their services a
solicitation  fee equal to three  percent  (3%) of the total  amount paid by the
holders of the IPO Warrants whom the Warrant  Solicitation  Agents  solicited to
exercise  the IPO  Warrants.  The  exercise  will be presumed to be  unsolicited
unless the customer  states in writing that the  transaction  was  solicited and
designates  in  writing  the  broker-dealer  to  receive  compensation  from the
exercise.  The fee is not payable for the  exercise of any IPO Warrant held by a
Warrant  Solicitation  Agent  in a  discretionary  account  at the  time  of the
exercise, unless the Warrant Solicitation Agent receives from the customer prior
specific written approval for such exercise. As a condition to

                                       14

<PAGE>


receipt of  the  solicitation  fee,  the  Warrant  holder  must  acknowledge  in
writing  that the  exercise  of the IPO  Warrant  was  solicited  by the Warrant
Solicitation Agent.

      This   Registration   Statement   also   covers   the   issuance   of  the
Representatives'  Warrant Shares upon issuance of the Representatives'  Warrants
(including shares issuable upon exercise of the Warrants included therein).  The
Company  believes  that the  Representatives'  Warrants  are  presently  held by
National  Securities  Corporation  and  one of  its  affiliates  and by  Paulson
Investment  Company Inc.  The holders of the IPO  Warrants and  Representatives'
Warrants  will act  independently  of the Company in  determining  the timing of
their  exercise,  if any, of rights  under  their  various  agreements  with the
Company,  including  the  exercise  of their  rights to obtain  shares of Common
Stock,  and will act  independently  of the  Company  in making  decisions  with
respect to the timing,  manner and size of each sale.  Such sales may be made on
the Nasdaq SmallCap Market or otherwise,  at prices and on terms then prevailing
or at prices related to the then market price, or in negotiated transactions.

                                  LEGAL MATTERS

      The validity of the issuance of the shares of Common Stock offered  hereby
will be passed upon for the Company by Fenwick & West LLP, Two Palo Alto Square,
Suite 800, Palo Alto, California 94306.

                                     EXPERTS

         The financial statements of Cellegy Pharmaceuticals,  Inc. appearing in
Cellegy  Pharmaceuticals,  Inc.'s Annual Report (Form 10-KSB) for the year ended
December 31, 1995, have been audited by Ernst & Young LLP, independent auditors,
as set forth in their report  incorporated by reference therein and incorporated
herein by  reference.  Such  financial  statements  are  incorporated  herein by
reference in reliance  upon such report given upon the authority of such firm as
experts in accounting and auditing.


                                       15

<PAGE>


                                                  
=======================================  =======================================
No dealer, salesperson or other person
has been authorized to give any
information or to make any
representation  not contained in this              [GRAPHIC OMITTED]
Prospectus and, if given or made, such   ===================================
information or representation must no
be relied upon as  having  been
authorized  by the  company. This
Prospectus  does  not constitute an
offer to sell or a solicitation of an
offer to buy any of the securities
offered hereby in any jurisdiction to
any person to whom it is unlawful to
make such offer or solicitation in
such jurisdiction. Neither the delivery           __________________
of this  Prospectus nor any sale made
hereunder shall, under any                            PROSPECTUS
circumstances, create any implication             __________________
that the information  herein is correct    
as of any time subsequent to the date            6,800,000 shares of
hereof or that there has  been no                    Common Stock
change in the affairs of the Company
since such date.                                       [Date]

        ----------------------
          TABLE OF CONTENTS
                                  Page
Available Information.............. 3
Incorporation of Certain Documents. 3
By Reference.......................          
The Company ....................... 4
Risk Factors ...................... 4
Selling Shareholders .............. 9
Plan of Distribution ..............14
Legal Matters .....................15
Experts ...........................15

======================================  ========================================






                                       16

<PAGE>

                                                      

                                     PART II

                     INFORMATION NOT REQUIRED IN PROSPECTUS



ITEM 14.  Other Expenses of Issuance and Distribution.

The  following  table sets forth the costs and expenses to be paid in connection
with the sale of the shares of Common  Stock  being  registered  hereby,  all of
which will be paid by the Registrant.  All amounts are estimates  except for the
Securities and Exchange Commission registration fee.

      Securities and Exchange Commission registration fee....   $ 1,036
      Nasdaq SmallCap Market filing fee......................      -0-
      Accounting fees and expenses...........................     2,500
      Legal fees and expenses................................    10,000
      Printing and miscellaneous.............................     2,500
                                                                 ------
      Total.................................................    $16,036
                                                                 ======

ITEM 15.  Indemnification of Directors and Officers.

                The Registrant's  Amended and Restated Articles of Incorporation
(the  "Restated  Articles")  include a provision  that  eliminates  the personal
liability of its directors to the Registrant and its  shareholders  for monetary
damages for breach of the  directors'  fiduciary  duties to the  maximum  extent
permitted  under  California  law. This limitation has no effect on a director's
liability  (i) for acts or omissions  that involve  intentional  misconduct or a
knowing  and  culpable  violation  of law,  (ii)  for acts or  omissions  that a
director  believes to be contrary to the best interests of the Registrant or its
shareholders  or that  involve  the  absence  of good  faith  on the part of the
director,  (iii) for any transaction  from which a director  derived an improper
personal benefit,  (iv) for acts or omissions that show a reckless disregard for
the director's duty to the Registrant or its  shareholders in  circumstances  in
which the director was aware,  or should have been aware, in the ordinary course
of  performing  a  director's  duties,  of a risk  of a  serious  injury  to the
Registrant or its  shareholders,  (v) for acts or omissions  that  constitute an
unexcused pattern of inattention that amounts to an abdication of the director's
duty to the  Registrant  or its  shareholders,  (vi)  under  Section  310 of the
California  Corporations Code (the "California Code")  (concerning  contracts or
transactions  between the  Registrant and a director) or (vii) under Section 316
of the California Code (concerning  directors' liability for improper dividends,
loans and  guarantees).  The provision does not extend to acts or omissions of a
director in his capacity as an officer.  Further, the provision has no effect on
claims  arising under federal or state  securities  laws and will not affect the
availability  of  injunctions  and other  equitable  remedies  available  to the
Registrant's  shareholders  for any violation of a director's  fiduciary duty to
the Registrant or its shareholders.

                The  Restated  Articles  also include an  authorization  for the
Registrant to indemnify its agents (as defined in Section 317 of the  California
Code),  through  bylaws  provisions,  by agreement or otherwise,  to the fullest
extent  permitted by law.  Pursuant to this latter  provision,  the Registrant's
Bylaws provide for indemnification of the Registrant's  directors,  officers and
employees.  Indemnification may only be authorized by a majority of Registrant's
directors  or  shareholders  or by order of a court,  unless  the agent has been
successful on the merits. In addition,  the Registrant's policy is to enter into
indemnification  agreements  with  each of its  officers  and  directors.  These
indemnification   agreements   provide  that  directors  and  officers  will  be
indemnified  and held  harmless to the fullest  extent  permitted by law.  These
agreements,  together with the Restated  Articles,  may require the  Registrant,
among other things, to indemnify such directors,  officers and employees against
certain  liabilities  that may  arise by reason of their  status or  service  as
directors or officers (other than liabilities  resulting from willful misconduct
of a  culpable  nature),  to  advance  expenses  to them as they  are  incurred,
provided  that they  undertake to repay the amount  advanced if it is ultimately
determined  by a court that they are not  entitled  to  indemnification,  and to
obtain directors' and officers' insurance if available on reasonable terms.


                                      II-1

<PAGE>



                Section  317 of the  California  Code makes  provisions  for the
indemnification  of  officers,  directors  and other  corporate  agents in terms
sufficiently broad to indemnify such persons, under certain  circumstances,  for
liabilities  (including  reimbursement of expenses  incurred)  arising under the
Securities Act.

                The Underwriting Agreement related to the IPO sets forth certain
provisions  with respect to the  indemnification  of the  Registrant and certain
directors,   officers,  and  controlling  persons  against  certain  losses  and
liabilities, including certain liabilities under the Securities Act.

                The Amended and Restated  Registration  Rights  Agreement  dated
April 10, 1992,  entered into by and among the Registrant and various investors,
and the Amended and Restated  Registration  Rights  Agreement dated February 10,
1995, entered into by and among the Registrant and various investors provide for
cross  indemnification  of certain  holders of Registrant's  securities,  and of
Registrant and its officers and directors for certain liabilities existing under
the Securities Act and otherwise.

                The Registrant  also maintains a director and officer  liability
policy.


                                      II-2

<PAGE>



ITEM 16.  Exhibits.

<TABLE>
The following exhibits are filed herewith or incorporated by reference herein:

<CAPTION>
Exhibit
Number                              Exhibit Title
- -------                             -------------
 <S>     <C>

  4.1    Specimen Common Stock Certificate. (Incorporated by reference to Exhibit 4.1 to the Company's
         Registration Statement on Form SB-2) (Registration No. 33-93288-LA declared effective on August 11, 1995
         (the "SB-2"))
  4.2    Specimen Warrant Certificate. (Incorporated by reference to Exhibit 4.2 to the SB-2)
  4.3    Form of Warrant Agreement Between the Company and First Interstate Bank of California. (Incorporated by
         reference to Exhibit 4.3 to the SB-2)
  4.4    Form of Representatives' Warrant Agreement. (Incorporated by reference to Exhibit 27.2 to the
         SB-2)
  4.5    Certificate  of  Determination,  as  amended,  relating to the Series A
         Preferred  Stock.  (Incorporated  by  reference  to Exhibit  4.1 to the
         Company's  Quarterly  Report on Form 10-QSB for the three  months ended
         March 31, 1996 (the "Q1 1996 Form 10-QSB")
  4.6    Securities Subscription Agreement dated April 1996 relating to the Series A Preferred Stock.
         (Incorporated by reference from Exhibit 4.2 to the Q1 1996 Form 10-QSB)
  4.7    Registration Rights Agreement dated April 18, 1996 relating to the Series A Preferred Stock.
         (Incorporated by reference to Exhibit 4.3 to the Q1 1996 Form 10-QSB)
  5.1    Form of Opinion of Fenwick & West LLP.
 10.1    Amended and Restated Registration Rights Agreement dated April 10, 1992. (Incorporated by reference to
         Exhibit 10.11 to the SB-2)
 10.2    1992 Stock Option Plan. (Incorporated by reference to Exhibit 10.12 to the SB-2)
 10.3    Secured Debenture and Warrant Purchase Agreement dated as of February 10, 1995. (Incorporated by
         reference to Exhibit 10.13 to the SB-2)
 10.4    Amended and Restated Registration Rights Agreement dated as of February 10, 1995. (Incorporated by
         reference to Exhibit 10.14 to the SB-2)
 10.5    Warrant Agreement dated as of February 10, 1995. (Incorporated by reference to Exhibit 10.15 to the
         SB-2)
 23.1    Consent of Ernst & Young LLP, Independent Auditors.
 24.1    Power of Attorney (See page II-5).
</TABLE>

                                      II-3

<PAGE>


ITEM 17.  Undertakings.

Insofar as indemnification  for liabilities arising under the Securities Act may
be permitted to directors,  officers and  controlling  persons of the Registrant
pursuant to the  provisions  described  under Item 15 above,  or otherwise,  the
Registrant  has been advised that in the opinion of the  Securities and Exchange
Commission  such  indemnification  is against  public policy as expressed in the
Securities Act and is, therefore,  unenforceable.  In the event that a claim for
indemnification  against  such  liabilities  (other  than  the  payment  by  the
Registrant of expenses  incurred or paid by a director,  officer or  controlling
person of the  Registrant  in the  successful  defense  of any  action,  suit or
proceeding)  is  asserted by such  director,  officer or  controlling  person in
connection with the securities being registered,  the Registrant will, unless in
the opinion of its counsel the matter has been settled by controlling precedent,
submit  to a  court  of  appropriate  jurisdiction  the  question  whether  such
indemnification  by it is against  public policy as expressed in the  Securities
Act and will be governed by the final adjudication of such issue.

The undersigned Registrant hereby undertakes:

     (1) To file,  during any period in which  offers or sales are being made, a
     post-effective amendment to this Registration Statement: (i) to include any
     prospectus  required by Section  10(a)(3) of the  Securities  Act;  (ii) to
     reflect  in the  prospectus  any facts or  events  which,  individually  or
     together,  represent  a  fundamental  change  in  the  information  in  the
     Registration  Statement.  Notwithstanding  the  foregoing,  any increase or
     decrease  in volume of  securities  offered (if the total  dollar  value of
     securities  offered  would not exceed  that which was  registered)  and any
     deviation from the low or high end of the estimated  maximum offering range
     may be  reflected  in the form of  prospectus  filed  with  the  Commission
     pursuant  to Rule  424(b) if, in the  aggregate,  the changes in volume and
     price  represent no more than a 20 percent change in the maximum  aggregate
     offering price set forth in the "Calculation of Registration  Fee" table on
     the effective registration  statement;  and (iii) to include any additional
     or changed material information with respect to the plan of distribution.

     (2) That, for the purpose of determining any liability under the Securities
     Act,  each  post-effective  amendment  shall be  deemed a new  registration
     statement relating to the securities  offered therein,  and the offering of
     the  securities  at that time shall be deemed to be the  initial  bona fide
     offering thereof.

     (3) To remove from registration by means of a post-effective  amendment any
     of the securities  being  registered which remain unsold at the termination
     of the offering.


                                      II-4

<PAGE>

                                                      

                                   SIGNATURES

In  accordance  with  the  requirements  of  the  Securities  Act of  1933,  the
registrant certifies that it has reasonable grounds to believe that it meets all
of the  requirements  for filing on Form S-3 and  authorized  this  registration
statement  to be  signed  on its  behalf  by  the  undersigned,  thereunto  duly
authorized,  in the City of Foster City,  State of  California,  on September 3,
1996.

                                              CELLEGY PHARMACEUTICALS, INC.

                                              By: /s/ Carl R. Thornfeldt
                                                  ------------------------------
                                                  Carl R. Thornfeldt, M.D.
                                                  Acting Chief Executive Officer


                                POWER OF ATTORNEY

         KNOW ALL MEN BY THESE  PRESENTS that each  individual  whose  signature
appears below  constitutes and appoints Carl R. Thornfeldt,  M.D. and A. Richard
Juelis, and each of them, his true and lawful  attorneys-in-fact and agents with
full power of substitution, for him and in his name, place and stead, in any and
all  capacities,  to  sign  any  and all  amendments  (including  post-effective
amendments)  to this  Registration  Statement  on Form S-3, and to file the same
with all exhibits  thereto and all documents in connection  therewith,  with the
Securities and Exchange  Commission,  granting unto said  attorneys-in-fact  and
agents,  and each of them,  full power and  authority to do and perform each and
every  act and  thing  requisite  and  necessary  to be done  in and  about  the
premises,  as  fully  to all  intents  and  purposes  as he might or could do in
person,  hereby  ratifying  and  confirming  all of said  attorneys-in-fact  and
agents, or any of them, or his or their substitute or substitutes,  may lawfully
do or cause to be done by virtue hereof.

<TABLE>
         In accordance with the requirements of the Securities Act of 1933, this
registration  statement  has  been  signed  by  the  following  persons  in  the
capacities and on the dates stated.

<CAPTION>
             Signature                                 Title                                   Date
             ---------                                 -----                                   ----
<S>                                       <C>                                            <C>
        /s/ Carl R. Thornfeldt                                          
- ----------------------------------------  Acting Chief Executive Officer and             September 3, 1996
       Carl R. Thornfeldt, M.D.           Director (Principal Executive Officer)

         /s/ A. Richard Juelis                                 
- ----------------------------------------  Chief Financial Officer and Secretary          September 3, 1996
           A. Richard Juelis              (Principal Financial and Accounting Officer)

          /s/ Peter M. Elias          .                         
- ----------------------------------------  Director                                       September 3, 1996
         Peter M. Elias, M.D.

- ----------------------------------------
       /s/ Tobi B. Klar, M.D.             Director                                       September 3, 1996

- ----------------------------------------                    
            Larry J. Wells                Director                                       September 3, 1996

        /s/ Alan A. Steigrod
- ----------------------------------------                  
           Alan A. Steigrod               Director                                       September 3, 1996
   
- ----------------------------------------                    
       Denis R. Burger, Ph.D              Director                                       September 3, 1996
</TABLE>

                                      II-5

<PAGE>

<TABLE>
                                  EXHIBIT INDEX

<CAPTION>
Exhibit                                                                                                Page
Number                                             Description                                          No.
- ------                                             -----------                                          ---
<S>      <C>

  4.1    Specimen Common Stock Certificate. (Incorporated by reference to Exhibit 4.1 to the
         Company's Registration Statement on Form SB-2) (Registration No. 33-93288-LA
         declared effective on August 11, 1995 (the "SB-2"))

  4.2    Specimen Warrant Certificate. (Incorporated by reference to Exhibit 4.2 to the SB-2)

  4.3    Form of Warrant Agreement Between the Company and First Interstate Bank of California.
         (Incorporated by reference to Exhibit 4.3 to the SB-2)

  4.4    Form of Representatives' Warrant Agreement. (Incorporated by reference to Exhibit 27.2
         to the SB-2)

  4.5    Certificate of Determination, as amended, relating to the Series A Preferred Stock.
         (Incorporated by reference to Exhibit 4.1 to the Company's Quarterly  Report on 
         Form 10-QSB for the three months ended March 31, 1996 (the "Q1 1996 Form 10-QSB")

  4.6    Securities Subscription Agreement dated April 1996 relating to the Series A Preferred Stock.
         (Incorporated by reference from Exhibit 4.2 to the Q1 1996 Form 10-QSB)

  4.7    Registration Rights Agreement dated April 18, 1996 relating to the Series A Preferred Stock.
         (Incorporated by reference to Exhibit 4.3 to the Q1 1996 Form 10-QSB)

  5.1    Form of Opinion of Fenwick & West LLP

 10.1    Amended and Restated  Registration  Rights Agreement dated April 10, 1992. (Incorporated by
         reference to Exhibit 10.11 to the SB-2)

 10.2    1992 Stock Option Plan.  (Incorporated  by reference  to Exhibit  10.12 to the SB-2)

 10.3    Secured Debenture  and  Warrant  Purchase  Agreement  dated as of  February  10,  1995.
         (Incorporated  by  reference  to Exhibit 10.13 to the SB-2)

 10.4    Amended  and Restated   Registration  Rights  Agreement  dated  as  of  February  10,  1995.
         (Incorporated by reference to Exhibit 10.14 to the SB-2)

 10.5    Warrant Agreement dated as of February 10, 1995. (Incorporated by reference to Exhibit 10.15
         to  the SB-2)

 23.1    Consent of Ernst & Young LLP, Independent Auditors.

 24.1    Power of Attorney (See Page II-5).
</TABLE>



                                                                    Exhibit 5.1

                               FENWICK & WEST LLP
                         A Limited Liability Partnership
                       Including Professional Corporations

       2nd Floor              Two Palo Alto Square              Suite 650
   282 Second Street       Palo Alto, California 94306   1920 N Street Northwest
San Francisco, Ca 94105     Telephone (415) 494-0600     Washington, D.C. 20036
    (415) 281-1330          Facsimile (415) 494-1417         (202) 463-6300

                                September 4, 1996

Cellegy Pharmaceuticals, Inc.
1065 East Hillsdale Blvd., Suite 418
Foster City, CA 94404

         Re:      Registration Statement of Form S-3

Ladies and Gentlemen:

         At your request we have examined the Registration Statement on Form S-3
to be filed by you with the  Securities  and Exchange  Commission  ("SEC") on or
about  September 4, 1996 (the  "Registration  Statement") in connection with the
registration  under the Securities Act of 1933, as amended,  of 6,800,000 shares
of your Common Stock (the "Shares").  The Registration  Statement relates to the
resale of Shares  which are  either  (i)  issued  and  outstanding  and  held by
certain of the shareholders  named in the  Registration  Statement (the "Selling
Shareholders"),  (ii) issuable  upon  conversion of shares of Series A Preferred
held by certain  Selling  Shareholders,  and (iii)  issuable  upon  exercise  of
warrants  (the  "Warrants")  held by certain  of the  Selling  Shareholders.  In
addition,  the Registration  Statement relates to the issuance of certain shares
of Common  Stock  issuable  upon  exercise  of  warrants  issued and sold in the
Company's  initial  public  offering  (the  "IPO")  in  August  1995  (the  "IPO
Warrants"),  and  issuable  upon  exercise  of  warrants  issued and sold to the
Representatives' of the Underwriters in the IPO.

         As your  counsel,  we have  examined  the  proceedings  taken by you in
connection with the issuance of the Shares. It is our opinion that the currently
outstanding  Shares are legally  issued,  non-assessable  and, to our knowledge,
fully paid, and that,  when issued as described in the  Registration  Statement,
the Shares  consisting  of the shares that are issuable  upon  conversion of the
Series A Preferred and upon exercise of the Warrants,  the IPO Warrants, and the
Representatives'  Warrants will be legally  issued,  non-assessable  and, to our
knowledge, fully paid.

         We consent to the use of this opinion as an exhibit to the Registration
Statement  and  further  consent  to all  references  to us in the  Registration
Statement and the  Prospectus,  constituting  a part thereof and any  amendments
thereto which may have been approved by us.

                                            Very truly yours,


                                            




                                                                    Exhibit 23.1


               Consent of Ernst & Young LLP, Independent Auditors

         We consent to the reference to our firm under the caption  "Experts" in
the  Registration  Statement  (Form  S-3)  and  related  Prospectus  of  Cellegy
Pharmaceuticals,  Inc. for the  registration  of 6,800,000  shares of its common
stock and to the  incorporation  by reference  therein of our report dated March
11, 1996, with respect to the financial  statements of Cellegy  Pharmaceuticals,
Inc. included in its Annual Report (Form 10-KSB) for the year ended December 31,
1995, filed with the Securities and Exchange Commission.

                                                      /s/ Ernst & Young LLP
                                                      Ernst & Young LLP

Walnut Creek, California
August 30, 1996


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