Patent · US Expired

Hair permanent-waving method and aftertreatment composition

US4834971A · kind A · utility

42Cited by

3References

16Claims

0Family size

Assignee

Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

Adolf Klenk · Grevenbroich, DE
Detlef Hollenberg · Hilden, DE
Horst Hoeffkes · Goldkronach, DE

Key dates

Filing date	Aug 5, 1987
Grant date	May 30, 1989
Priority date	—
Expiry date	Aug 5, 2007

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61Q5/12
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A method for the permanent shaping of hair, in which the hair is treated with an aqueous preparation of a keratin-reducing substance before and/or after a mechanical shaping step, rinsed with water and fixed by treatment with an aqueous preparation of an oxidizing agent and rinsed with water, wherein, after the oxidative fixing step, the mechanically shaped hair is aftertreated with an aqueous composition comprising a dissolved aluminium (III) salt and a hydroxydi- or tri-C.sub.4-6 -carboxylic acid; the novel composition itself; and a kit for effecting such method.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.