Leïla Hercouet

Leïla Hercouet is an accomplished inventor hailing from Neuilly Plaisance, FR, with an impressive portfolio of 30 patents. Her latest patents showcase her expertise in the field of cosmetic compositions and dyeing processes for keratin fibers, especially human hair.

One of her recent inventions is the oil-rich aqueous composition, primarily used in oxidative coloring or bleaching methods for keratin fibers. This cosmetic composition consists of fatty substances, oxyethylenated fatty alcohols, and alkylpolyglucoside-type surfactants. By employing this composition, Leïla Hercouet aims to enhance the coloration process, improving properties such as chromaticity, color intensity, and dye uptake on the hair.

Another innovative patent by Leïla Hercouet focuses on an oxidation dyeing process which employs a pretreatment based on a composition rich in fatty substances and metal catalysts. This multi-step process involves pretreating the keratin fibers with a cosmetic composition comprising fatty substances and metal catalysts, followed by a dyeing step using an oxidation base, a coupler, and a chemical oxidizing agent. This dyeing process provides significant enhancements to the dyeing properties, including selectivity, chromaticity, color intensity, and dye uptake onto keratin fibers.

Throughout her career, Leïla Hercouet has collaborated with prominent companies in the cosmetics industry, such as L'Oréal SA. Her notable coworkers include Alain Lagrange and Frédéric Simonet, who likely contributed to the development and implementation of her innovative ideas.

Leïla Hercouet's groundbreaking patents not only demonstrate her expertise in cosmetic compositions and dyeing processes but also highlight her commitment to advancing the field of cosmetics and haircare. With her inventive solutions, she has undoubtedly made significant contributions to the industry.