Use of a product for keratin fibers, containing at least one specific polymer combination for improving the color retention of oxidative hair colorations

US9283167B2 · kind B2 · utility

Assignee

• Henkel AG & Co. KGaA · DE

Inventors

• Diane Metten · Goldkronach, DE
• Bernd Richters · Hamburg, DE
• Rene Scheffler · Ellerau, DE

Key dates

• Filing date: Jun 18, 2015
• Grant date: Mar 15, 2016
• Expiry date: Jun 18, 2035

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K2800/594
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Methods and related agents. Said agents including, in a cosmetically acceptable carrier, a) at least one copolymer A having at least one structural unit (A1), at least one structural unit (A2), at least one structural unit (A3) and at least one structural unit (A4), wherein R1 represents an optionally heterofunctionalized alkyl group; R2 represents an optionally heterofunctionalized alkyl group which is different from R1; R3 independently represents an optionally heterofunctionalized alkyl group different from R1 and R2, and b) at least one copolymer B, which is different from copolymer A and has at least one structural unit (B1), wherein R4 represents an optionally heterofunctionalized alkyl group, improve the color retention of oxidatively dyed keratin-containing fibers.