Method for evaluating state of horny layer and method for evaluating horny layer improvement effect of cosmetic preparation

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United States of America Patent

PATENT NO 9970848
SERIAL NO

14761386

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Abstract

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The invention relates to providing a method for more conveniently evaluating stratum corneum condition. A stratum corneum sheet is contacted with a solution of a water-soluble dye, and the staining intensity or fluorescence intensity is measured to allow convenient evaluation of the stratum corneum condition. There is further provided a method for evaluating the ameliorating effect of a cosmetic or cosmetic treatment on the stratum corneum, by implementing the method for evaluating stratum corneum condition using a water-soluble dye according to the invention.

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Patent Owner(s)

Patent OwnerAddress
SHISEIDO COMPANY LTD5-5 GINZA 7-CHOME CHUO-KU TOKYO 1040061 ?1040061

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Iwai, Ichiro Kanagawa, JP 27 251
Yagi, Eiichiro Kanagawa, JP 11 169

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