CHART FOR EVALUATING SKIN COLOR AND ITS APPLICATION TO EFFICACY EVALUATION OF ANTI-AGING AND SKIN LIGHTENING PRODUCTS
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United States of America Patent
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app pub date -
Jul 3, 2014
filing date -
Jul 24, 2013
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Abstract
The present invention relates to charts, stacks and methods for evaluating skin color of a mammalian subject. The chart may include a substrate and an indicia visible from a first side of the substrate that includes a plurality of images of mammalian skin tones having varying degrees of yellowness, wherein each indicia is correlated with an index value. Also, the present invention relates to packaged topical cosmetic products that include a skin chart as well as to methods for evaluating anti-aging and skin lightening products.
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