Dyeing composition for keratinous fibres with direct...

Details Dyeing composition for keratinous fibres with direct... Dyeing composition for keratinous fibres with direct...

A - Human Necessities

61

K

A61K 8/49 (2006.01) A61K 8/41 (2006.01) A61Q 5/10 (2006.01)

Patent

CA 2305504

The invention concerns a dyeing composition for keratinous fibres, in particular human keratinous fibres such as hair, comprising in an appropriate dyeing medium, at least a direct cationic colouring agent of specific formula, and characterised in that it further contains at least a quaternary ammonium salt. 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 sel d'ammonium quaternaire. L'invention concerne également les procédés et dispositifs de teinture la mettant en uvre.

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