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The Skin Products Assessment Research (SPAR) Study was a multi-center, double-blind, randomized, controlled study to investigate the effects of the Obagi Nu-Derm System (ONDS) before and after chemical peel or ablative laser resurfacing in healthy adult female volunteers. ONDS were compared to a standard care regimen before and after either chemical peel or laser. This study included patients who have photodamage and/or rhytids. SPAR was conducted under the direction of study co-principal investigators Ed Wilkins, MD, MS and Andrea Pusic, MD, MS.

Support of this research was provided by The Plastic Surgery Foundation and Obagi Medical Products.