公开(公告)号：US20250064703A1

公开(公告)日：2025-02-27

申请号：US18720329

申请日：2022-12-06

Applicant: L'OREAL

Inventor： Shinsuke OKUDA ,  Toshifumi SHIROYA ,  Hidehiko ASANUMA

IPC: A61K8/49 ,  A61K8/365 ,  A61K8/67 ,  A61K8/73 ,  A61Q19/08

Abstract: A composition contains: (a) at least one polyphenol; (b) at least one first cationic polymer with a molecular weight of from 5,000 to 450,000, preferably from 10,000 to 350,000, and more preferably from 50,000 to 250, 000, selected from chitosans; (c) at least one organic compound selected from the group consisting of ascorbic acid, gluconolactone, gluconic acid, glycolic acid, and mixtures thereof; and (d) water. The pH of the composition is from 3.0 to 5.0. The (a) polyphenol can be solubilized in the composition.

公开(公告)号：US20210177725A1

公开(公告)日：2021-06-17

申请号：US17268398

申请日：2019-08-09

Applicant: L'OREAL

Inventor： Toshifumi Shiroya ,  Takehiko Kasai ,  Hidehiko ASANUMA ,  Tomomi HAMAZAKI ,  Toru Koike

IPC: A61K8/73 ,  A61Q17/04 ,  A61Q19/00 ,  A61K8/365 ,  A61K8/55 ,  A61K8/19 ,  A61K8/40 ,  A61K8/06

Abstract: The present invention relates to a composition comprising (a) at least one cationic polysaccharide; (b) at least one crosslinker having three or more acid groups or salt thereof; and (c) at least one physiologically acceptable volatile medium, wherein the composition optionally comprises surfactant(s) in an amount of 1% by weight or less, preferably 0.5% by weight or less, and more preferably 0.3% by weight or less, relative to the total weight of the composition. The composition according to the present invention can provide a self-healing or self-repairing film.

公开(公告)号：US20180256474A1

公开(公告)日：2018-09-13

申请号：US15779819

申请日：2016-11-25

Applicant: L'OREAL

Inventor： Shiho MIYAKE ,  Hidetoshi YAMADA ,  Hidehiko ASANUMA

IPC: A61K8/49 ,  A61K8/46 ,  A61K8/35 ,  A61Q5/06

CPC classification number: A61K8/4973 ,  A61K8/355 ,  A61K8/466 ,  A61K8/4926 ,  A61K8/498 ,  A61K2800/432 ,  A61K2800/5922 ,  A61Q5/065

Abstract: The present invention relates to a composition for dyeing keratin fibers, comprising (a) at least one direct dye; and (b) at least one oxygen-containing polycyclic compound which has at least one oxygen-containing polycyclic ring. The composition according to the present invention may further include (c) at least one specific sulfone compound. The composition according to the present invention is a one-part composition and can prevent or reduce skin staining by the direct dye on the skin such as the scalp, while providing the keratin fibers with good cosmetic effects such as good coloring properties.