Agents for coloring keratin fibers

A - Human Necessities – 61 – K

Patent

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Details

A61K 8/49 (2006.01) A61Q 5/08 (2006.01) A61Q 5/10 (2006.01) C09B 44/10 (2006.01) D06P 1/08 (2006.01) D06P 3/14 (2006.01) D06P 3/30 (2006.01)

Patent

CA 2595435

The present invention relates to agents for coloring keratin fibers which comprise at least one zwitterionic azo dye of the general formula (I) where is an alkylsulfonate radical of the formula (II)

La présente invention a trait à des agents pour la coloration de fibres kératiniques comportant au moins un colorant azoïque de type zwitterionique de formule générale (I) où se trouve un radical alkylsulfonate de formule (II).

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