Keratin dyeing compounds, keratin dyeing compositions...

Details Keratin dyeing compounds, keratin dyeing compositions... Keratin dyeing compounds, keratin dyeing compositions...

A - Human Necessities

61

K

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

Patent

CA 2554155

This invention further relates to a composition for the oxidative dyeing of keratin fibers, comprising a medium suitable for dyeing and one or more 5- membered heteroaromatic keratin dyeing compounds with one, tow, or three heteroatoms. This invention further relates to a method for oxidative dyeing of keratin fibers, comprising applying such compositions in the presence of an oxidizing agent, for a period sufficient to develop the desired coloration.

L'invention concerne des composés hétéroaromatiques de teinture de la kératine à cinq chaînons présentant un, deux ou trois hétéroatomes. L'invention concerne également une composition de teinture oxydative de fibres de kératine comprenant un milieu approprié pour la teinture et un ou plusieurs composés hétéroaromatiques de teinture de la kératine à cinq chaînons présentant un, deux ou trois hétéroatomes. L'invention concerne en outre une méthode de teinture oxydative de fibres de kératine, qui consiste à appliquer lesdites compositions en présence d'un agent oxydant, pendant une durée suffisante pour mettre au point la coloration désirée.

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