Hair colouring or bleaching compositions

Details Hair colouring or bleaching compositions Hair colouring or bleaching compositions

A - Human Necessities

61

K

A61K 8/41 (2006.01) A61K 8/22 (2006.01) A61Q 5/08 (2006.01) A61Q 5/10 (2006.01)

Patent

CA 2570493

This invention is a two part system for coloring or bleaching hair which comprises (i) a thin lotion optionally comprising an oxidative dye and comprising a solvent system and a surfactant system to trigger a thickening upon dilution with a developer, and (ii) a developer which comprises a scalp- irritating amount of an oxidising agent. In the system of the invention, the lotion has a Lamellar Phase Index of greater than 80%.

Cette invention concerne un à double composant permettant de colorer ou d'éclaircir les cheveux. Ce système comprend: (i) une lotion fluide comprenant éventuellement une teinture oxydante, un système de solvant et un système tensioactif déclenchant un épaississement au moment de la dilution avec un agent développant; et (ii) un agent développant comprenant une quantité déterminée d'un agent oxydant irritant pour le cuir chevelu. Dans le système de l'invention, la lotion a un indice de phase lamellaire supérieure à 80 %.

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