Composition for permanent dyeing of keratinous fibers

A - Human Necessities – 61 – K

Patent

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Details

A61K 8/33 (2006.01) A61K 8/41 (2006.01) A61K 8/64 (2006.01) A61K 8/81 (2006.01) A61Q 5/10 (2006.01)

Patent

CA 2513160

The invention concerns a composition for permanent dyeing of keratinous fibers, comprising at least on dye precursor, at least one alkaline agent and at least one oxidizing compound, and further comprising a protein hydrolysate, a quaternized dimethylallyl ammonium and acrylic acid copolymer, a N- methyl triethanolamine methylsulphate dialkyl ester, and a dialkyl carbonate.

Composition pour la coloration permanente de fibres kératiniques, comprenant au moins un précurseur de colorants, au moins un agent alcalin et au moins un composé oxydant, et comprenant en outre un hydrolysat de protéine, un copolymère quaternisé de di-méthylallyl ammonium et d'acide acrylique, un di- alkyl ester de N méthyl triéthanolamine méthylsulfate, et un di-aikyl carbonate.

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