Patents

Kao Patents Melanin Decomposition Inhibitor

External preparation contains proguanil.

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By: Christine Esposito

Editor-in-Chief

US Patent 10,966,911 B2 (Daiki Murase, Akira Hachiya, Naoki Oya, Kei Takano Akiko Kawasaki, Keigo Kawabata); Kao Corporation, Tokyo, patented a method for inhibiting melanin decomposition in a subject's keratinocytes. It entails applying to the skin an effective amount of an external preparation that comprises proguanil or a salt thereof....

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