Patents

Kosé Patents Colorless Makeup That Turns Red Upon Application

Contains dyes selected from Red No. 218 and Red No. 223.

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By: Christine Esposito

Editor-in-Chief

US Patent No. 11,491,095 B2 ( Ryuta Azuma, Ryo Kakimoto, Takayuki Kimura); Kosé Corporation, Tokyo, has been awarded a US patent for a colorless oily makeup cosmetic. It contains  (a) one or two dyes selected from Red No. 218 and Red No. 223; wherein content rate of the component (a) is 0.01 to 1.0% by mass relative to the mass of the cosmetic and (b) an oil agent, wherein the mixture of the (a) and the (b) are at a mass ratio (a):(b) of 0.1:100, the mixture having a difference of 0.2 or less be...

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