Hair treatment agent

A - Human Necessities – 61 – K

Patent

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Details

A61K 8/67 (2006.01) A61Q 5/00 (2006.01) A61Q 5/02 (2006.01) A61Q 5/06 (2006.01) A61Q 5/12 (2006.01)

Patent

CA 2403126

The object of the present invention is to provide a hair treatment having high dechlorinating and hydroxy radical-scavenging abilities, excellent safety to skin, low irritation and sufficiently high storage stability required in view of the production of preparations, and provide a hair care composition using the hair treatment agent. Disclosed herein is hair treatment comprising, as an effective ingredient, an ascorbic acid derivative which is a compound represented by formula (1) or a salt thereof: (1)(wherein R1, R2, R3 and R4 each independently represents a hydroxyl group, an ester bond-containing group derived from a hydroxyl group and an organic group or an inorganic group, or a glucoside group; or R1 and R2 or R3 and R4 may form together a divalent group derived from two adjacent hydroxyl groups and aldehyde or ketone, provided that R1 and R2 are not a hydroxyl group at the same time), and a hair care composition containing the hair treatment agent.

L'invention concerne un traitement capillaire présentant des capacités importantes de déchloration et de récupération du radical hydroxy, une sécurité pour la peau, une faible irritation et une stabilité de stockage suffisamment élevée nécessaire à la production de préparations, et fournissant une composition de soins capillaires utilisant l'agent de traitement capillaire. L'invention concerne notamment un traitement capillaire qui renferme comme principe actif un dérivé d'acide ascorbique étant un composé représenté par la formule (1) ou un sel de ce dernier, formule dans laquelle R1, R2, R3 et R4 représentant chacun indépendamment un groupe hydroxyle, un groupe contenant une liaison ester dérivé d'un groupe hydroxyle, et un groupe organique ou inorganique ou un groupe glucoside, ou R1 et R2 ou R3 et R4 pouvant former ensemble un groupe divalent dérivé de deux groupes hydroxyle adjacents et aldéhyde ou cétone, à condition que R1 et R2 ne représentent pas un groupe hydroxyle en même temps. L'invention concerne finalement une composition de soins capillaires renfermant un agent de traitement capillaire.

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