EXHIBIT 21.1 SUBSIDIARIES Percentage Subsidiary Incorporated In Owned ---------- --------------- ----- Medicis, The Dermatology Company(R) Delaware 100% Medicis Dermatologics, Inc. Delaware 100% Dermavest, Inc. Nevada 100% Advanced Pharmaceutical Research Delaware 100% Medicis Acquisition Corporation Delaware 100% Medicis Manufacturing Corporation Delaware 100% Medicis Partners, Inc. Delaware 100% GenDerm Corporation Delaware 100% Medicis Canada, Ltd Canada 100% Ucyclyd Pharma, Inc. Maryland 100% Ascent Pediatrics, Inc. Delaware 100%