Process and agents for permanently shaping keratin fibres

US6146619A · kind A · utility

Assignee

• Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

• Hans-Wolfgang Cortekar · Langenfeld, DE
• Doris Oberkobusch · Goldkronach, DE

Key dates

• Filing date: Feb 25, 1999
• Grant date: Nov 14, 2000
• Expiry date: Feb 25, 2019

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K8/676
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A process for permanently deforming keratin fibers is provided wherein the fiber is treated with 1) a keratin-reducing substance, 2) a physiologically compatible salt of an organic or inorganic acid anion and a divalent cation or Al.sup.3+, and 3) a compound selected from the group consisting of Vitamin C, Vitamin B.sub.5, derivatives thereof and mixtures thereof. The salt 2) and compound 3) can be applied in the form of a wave lotion or an intermediate treatment formulation. Also provided are wave lotions and hair treatment formulations comprising the salt 2) and the compound 3).