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Obagi’s Serums Help Skin Absorb Vitamin C

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By: TOM BRANNA

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Obagi Medical Products, Inc. announced the results of an in vitro study of its Obagi Professional-C and Obagi-C Rx Serums at the American Academy of Dermatology’s Summer Academy Meeting in Chicago in July. The data showed that Obagi-C Rx Serum (4% hydroquinone, 10% L-ascorbic acid) provided a more than 10-fold greater absorption of vitamin C than the leading competitive product. The Obagi Professional-C Serum (20%) resulted in a more than five-fold greater absorption of vitamin C than the leadin...

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