Composition useful for pretreating keratinous fibers before hair dyeing, comprises a chelating complex comprising a cationic polymer having amino groups or quaternary ammonium groups and a chelating agent

摘要

Composition (I) for pretreating keratinous fibers before hair dyeing comprises a chelating complex comprising a cationic polymer having amino groups or quaternary ammonium groups and a chelating agent. Independent claims are included for: (1) a kit for coloring of keratinous fibers comprising the composition (I) and a coloring composition containing a dye; and (2) a method for pretreating keratinous fibers before coloring comprising applying (I) on keratinous fibers.