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Sienna Biopharmaceuticals, Inc., is a medical dermatology and aesthetics company focused on developing safe and effective targeted therapies to treat inflammatory skin conditions and aesthetic concerns that impact the health and appearance of patients.

Recent News

Former Allergan Chief David Pyott Signs on as Special Advisor to Sienna Biopharmaceuticals

Appointment Marks Pyott’s Return to Dermatology and Aesthetics Westlake Village, Calif. (February 28, 2017) – Sienna Biopharmaceuticals, Inc., a privately held, clinical-stage medical dermatology and aesthetics company, is pleased to announce that David E.I. Pyott has signed on as special advisor to Sienna’s CEO and Board of Directors. Dr. Pyott is well known from his ... Read more »