Polymeric hair dyes
Polymeric dye comprising oligo and polypeptides selected from natural or synthetic aminoacids bearing at least one covalently bounded cationic dye. Very good dyeing results on human hair are obtained with these dyes.
BASF SE
A C C A C A A A
A61K C09B C09B A61K C09B A61K A61K A61Q
inventional inventional inventional additional inventional inventional inventional inventional
Christian Olof Xian-Zhi Sophie Barbara
Cremer Wallquist Zhou Marquais-Bienewald Wagner