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Oxidation Dye Precursor, Amino Silicone, Polyol Composition for Keratin Fiber Dyeing

USPTO granted L'Oréal Patent US12605319B2 for a composition comprising an oxidation base (2-β-hydroxyethyl-para-phenylenediamine), a (poly)oxyalkylenated amino silicone, and a polyol. The patent, with a filing date of December 9, 2022, contains 19 claims and covers processes for dyeing keratin fibers, preferably hair. Inventors are Valérie Nicou and Laurence Corn-Gourinel.