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Mary Kay Patents Skin Care Formula with Plant Extracts

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By: TOM BRANNA

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US Patent No. 9,408,801 B2; Mary Kay has patented a topical skin composition (a cream or lotion) comprising an extract from Rhodendron siderophyllum, an extract from Circidiphyllum japonicum, and an effective amount of a tyrosinase inhibitor that comprises an extract from Bauhinia glauca. 

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