Hair dye agent having unilamellar and multilamellar vesicles

US10736827B2 · kind B2 · utility

Assignee

• Henkel AG & Co. KGaA · DE

Inventors

• Burkhard Mueller · Goldkronach, DE
• Lucile Bonnin · Dressendorf, DE

Key dates

• Filing date: Jun 20, 2017
• Grant date: Aug 11, 2020
• Expiry date: Jun 20, 2037

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K2800/88
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The present disclosure relates to an agent (A) for changing the colour of keratin fibres, in particular human hair, which agent comprises unilamellar vesicles (ULV) and/or multilamellar vesicles (MLV) in an aqueous medium, wherein the agent contains at least one C8-C30 fatty alcohol (a1), at least one ethoxylated fatty alcohol (a2), at least one anionic surfactant of the type of (optionally ethoxylated) fatty alcohol sulfates (a3), and one or more colour-changing salts (a4) from the group of sulfates, hydrogen sulfates, chlorides, and/or bromides in a total amount of from about 0.3 to about 6.0% by weight.The present disclosure further relates to a multi-component packaging unit, in which the aforementioned agent (A) is formulated separate from an oxidant preparation (B). The present disclosure further relates to a method for producing the agent (A).