EXHIBIT 23.1


                          Independent Auditors' Consent

The Board of Directors
CollaGenex Pharmaceuticals, Inc.:

     We consent to the use of our report dated  February 14, 2003,  except as to
the first  paragraph of Note 15,  which is as of March 14, 2003,  the second and
third paragraphs of Note 15, which are as of March 18, 2003, with respect to the
consolidated balance sheets of CollaGenex  Pharmaceuticals,  Inc. as of December
31,  2001  and 2002  and the  related  consolidated  statements  of  operations,
stockholders'  equity  and cash  flows for each of the  years in the  three-year
period ended  December  31, 2002 and the related  financial  statement  schedule
incorporated  herein by  reference  and to the  reference  to our firm under the
heading "Experts" in the prospectus. Our report refers to the Company's adoption
of the provisions of the Securities and Exchange  Commission's  Staff Accounting
Bulletin No. 101, "Revenue Recognition in Financial Statements", in 2000.

                                              /s/ KPMG LLP

Princeton, New Jersey
August 12, 2003