EXHIBIT 23.1


                          Independent Auditors' Consent

The Board of Directors
CollaGenex Pharmaceuticals, Inc.:

     We consent to the use of our report incorporated by reference herein and to
the  reference to our firm under the heading  "Experts" in the  prospectus.  Our
report  dated  January 31,  2001,  except as to the first  paragraph of Note 14,
which is as of March 12, 2001 and the second  paragraph  of Note 14, which is as
of March 19,  2001,  contains  an  explanatory  paragraph  that  states that the
Company adopted 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
February 14, 2002