Patents

Pierre Fabre Patents Dye Composition with Extracts of Lawsonia Inermis

US Patent No. 11,707,428 B2.

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By: Christine Esposito

Editor-in-Chief

US Patent No. 11,707,428 B2 (Christel Fiorini-Puybaret, Philippe Joulia); Pierre Fabre Dermo-Cosmetique patented a method for preparing a dye composition. It entails following steps: • providing an extract A of the aerial parts of Lawsonia inermis containing from 7 to 60% by weight of lawsone relative to the total weight of the dry extract (wherein the lawsone results notably from enzymatic hydrolysis of glycosylated lawsone derivatives); • providing an extract B of the aerial parts of Law...

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