Patent · US Active

Method for maintaining the color of dyed and/or highlighted keratin fibres

US10137068B2 · kind B2 · utility

0Cited by

3References

19Claims

0Family size

Assignee

Henkel AG & Co. KGaA · DE

Inventors

Erik Schulze zur Wiesche · Hamburg, DE
Rene Krohn · Norderstedt, DE

Key dates

Filing date	Dec 3, 2015
Grant date	Nov 27, 2018
Priority date	—
Expiry date	Dec 19, 2035

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61Q5/04
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A method for the color retention of dyed keratin fibers is provided herein. The method includes i. applying a cosmetic composition to dyed keratin fibers as a pretreatment agent for keratin. The method further includes ii. subjecting the keratin fibers to a dyeing and/or brightening within a period of about 5 seconds to about 24 hours after to step i. The cosmetic composition has, based on its own weight, from about 0.01 to about 4.00% by weight of at least one alum and a pH value in the range of about 2.5 to about 5.

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