MUMBAI, India, June 24 -- Intellectual Property India has published a patent application (202617064461 A) filed by L'Oreal on May 21, 2026, for Hair Treatment Processes Comprising The Application, After Bleaching, Of Compositions Comprising Amino Acids And Hydroxylated (poly)carboxylic Acids.
Inventors include Feltin, Charlotte; Chabrillangeas, Mathieu; and Chaumontet, Manon.
The application for the patent was published on June 12, 2026, under issue no. 24/2026.
Abstract: The present invention relates to a hair treatment process for keratin fibres, comprising: - a step of applying a bleaching composition, and then - a step (ii) of applying a cosmetic composition B1 comprising at least 0.5% by weight, relative to the total weight of the composition, of compounds of amino acid type and hydroxylated C2-C8 (poly)carboxylic acids, and then - a step (iii) of applying a cosmetic composition B2 comprising at least 0.5% by weight, relative to the total weight of the composition, of compounds of amino acid type and hydroxylated C2-C8 (poly)carboxylic acids, steps (ii) and (iii) being spaced apart by a maximum of 2 hours. The invention also relates to a hair treatment process for keratin fibres, comprising: - a step of applying a bleaching composition, and then - a step of applying a cosmetic composition B1 comprising compounds of amino acid type, hydroxylated C2-C8 (poly)carboxylic acids and at least 0.6% of polysaccharide, and then - a step of applying a cosmetic composition B2 comprising compounds of amino acid type, hydroxylated C2-C8 (poly)carboxylic acids and less than 0.6% of polysaccharide.
Disclaimer: Curated by HT Syndication.
