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IN VITRO METHOD AND APPARATUS FOR DETERMINING EFFICACY AND ACTION MECHANISMS OF A TOPICAL COMPOSITION ON VARIOUS SKIN COLOR TYPES
IN VITRO METHOD AND APPARATUS FOR DETERMINING EFFICACY AND ACTION MECHANISMS OF A TOPICAL COMPOSITION ON VARIOUS SKIN COLOR TYPES
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机译:测定各种皮肤颜色类型的局部有效成分和作用机理的体外方法和装置
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摘要
The present invention relates to in vitro methods for determining efficacy of topical compositions on various skin color types. These methods involve providing an artificial skin apparatus configured to approximate the color and diffuse reflectance characteristics of a predetermined human skin color type. The artificial skin apparatus includes an artificial skin substrate combined with a color background, with the color background correlating to the human skin color type. A topical composition of interest is applied to the artificial skin substrate of the artificial skin apparatus and then pre-irradiated. The pre-irradiated topical composition is then analyzed using relevant experimental techniques or assays for at least one efficacy parameter, including, for example, anti-ageing, photoprotective, sun protective, UVA/UVB protective, UVAI protective, photostabilizing, and photosensitizing activities and action mechanisms of the topical composition on various skin color types. Also provided is an artificial skin apparatus and kit for use with the in vitro method.
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