Dyeing composition for keratinous fibres with direct...

A - Human Necessities – 61 – K

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A61K 8/49 (2006.01) A45D 34/00 (2006.01) A61Q 5/10 (2006.01) B65D 81/32 (2006.01)

Patent

CA 2305498

The invention concerns a dyeing composition for keratinous fibres, in particular for human keratinous fibres such as hair, comprising, in a medium appropriate for dyeing, at least a direct cationic colouring agent of specific formula. The invention is characterised in that it further contains a non-ionic surfactant selected among the group consisting of alkylpolyglucosides, sugar or alkylsugar fatty acid esters, fatty sucramides, and their mixtures. The invention also concerns methods and devices using said composition.

L'invention concerne une composition de teinture pour fibres kératiniques, en particulier pour fibres kératiniques humaines telles que les cheveux, comprenant, dans un milieu approprié pour la teinture, au moins un colorant direct cationique de formule donnée,et qui est caractérisée par le fait qu'elle contient en outre au moins un agent tensio-actif non-ionique choisi dans le groupe contitué par les alkylpolyglucosides, les esters d'acides gras de sucre ou d'alkylsucre, les sucramides gras, et leurs mélanges. L'invention concerne également les procédés et dispositifs de teinture la mettant en oeuvre.

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