Patents

Hair Dye Patented by L’Oréal Contains Scleroglucan Gum

Formulation contains one oxidation dye and cationic polymer.

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By: Christine Esposito

Editor-in-Chief

US Patent No. 11,291,617 B2 (Sabrina Muller, Delphine Charrier, Laurie Biancucci, Mladen Milic, Cindy Yadel); L'Oréal, Paris, has patented a composition for dyeing keratin fibers. It is comprised of at least one oxidation dye; at least one scleroglucan gum in a total amount of greater than or equal to 0.5% by weight, relative to the total weight of the composition; and at least one cationic polymer....

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