Method for dyeing keratin fibers

US10835471B2 · kind B2 · utility

Assignee

• Henkel AG & Co. KGaA · DE

Inventors

• Camille Grosjacques · Hamburg, DE
• Aileen Wagner · Hamburg, DE
• Susanne Hagenow · Hamburg, DE
• Hartmut Manneck · Klein Wesenberg, DE
• Astrid Kleen-Fehres · Hamburg, DE

Key dates

• Filing date: Dec 15, 2016
• Grant date: Nov 17, 2020
• Expiry date: Oct 15, 2037

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K2800/882
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The subject of the present disclosure is a method for coloring of human hair, comprising the following steps in the specified sequenceA) Mixing a first component (K1) with a second component (K2) to produce a first mixture (M1),B) Mixing the mixture (M1) with a third component (K3) to produce a second mixture (M2),C) Application of the mixture (M2) on the hair,D) Allowing the mixture (M2) to take effect for a period of from about 30 seconds to about 45 minutes,E) Rinsing the mixture (M2) from the hair,wherein