US Patent Issued to L'OREAL on Oct. 27 for "Method for the cosmetic treatment of keratin fibres comprising a stage of application of a rare earth metal composition and a stage of application of a composition comprising surfactants" (French Inventors)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,773,378, issued on Oct. 27, was assigned to L'OREAL (Paris).

"Method for the cosmetic treatment of keratin fibres comprising a stage of application of a rare earth metal composition and a stage of application of a composition comprising surfactants" was invented by Valerie Jeanne-Rose (Aulnay-sous-Bois, France), Laurent Sabatie (Aulnay-sous-Bois, France) and Henri Samain (Chevilly-Larue, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a method for the cosmetic treatment of keratin fibres, in particular human keratin fibres, such as the hair, comprising a stage of application of a composition comprising at least one metal c...