Method for dyeing keratinous material, comprising the use of an organosilicon compound, a dyeing compound and a silicon oil

US11291622B2 · kind B2 · utility

Assignee

• Henkel AG & Co. KGaA · DE

Inventors

• Torsten Lechner · Langenfeld, DE
• Juergen Schoepgens · Schwalmtal, DE
• Marc Nowottny · Genhülsen, DE
• Gabriele Weser · Neuss, DE
• Ulrike Schumacher · Dressendorf, DE
• Claudia Kolonko · Remscheid, DE
• Caroline Kriener · Dressendorf, DE
• Carsten Mathiaszyk · Essen, DE

Key dates

• Filing date: Aug 7, 2019
• Grant date: Apr 5, 2022
• Expiry date: Aug 7, 2039

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K2800/95
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The subject of the present disclosure is a process for dyeing keratinous material, in particular human hair. In one example, the process includes applying an agent (a) to the keratinous material. The agent (a) includes at least one organic silicon compound. An agent (b) is applied to the keratinous material. The agent (b) includes at least one colorant compound selected from the group including pigments and/or direct dyes. An agent (c) is applied to the keratinous material. The agent (c) includes at least one silicone oil.