METHODS, COMPOSITIONS, AND RELATED APPLICATIONS Russian patent published in 2021 - IPC A61K8/33 A61Q5/00 C07C47/19 D06P5/04 

Abstract RU 2748840 C2

FIELD: chemistry; hair coloring products.

SUBSTANCE: present invention relates to a method for preventing color loss in a colored material, involving bringing the material into contact with a composition including alpha-substituted aldehyde of Formula (II), as well as the use of one or more alpha-substituted aldehydes of Formula II to counteract the color loss of colored hair.

where X is selected from ОН, O(CH2)nA, Cl, Br or F, where n is from 1 to 6, and A is H or OH; and R is unsubstituted alkyl or alkenyl group containing from 1 to 30 carbon atoms.

EFFECT: invention is aimed at ensuring color durability of colored hair.

22 cl, 1 dwg, 4 tbl, 5 ex

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RU 2 748 840 C2

Authors

Dixon, Nicholas John

Giles, Matthew Robert

Griffiths, Kimberley Elizabeth

Gough, Tony

Mcrobbie, Ian Malcolm

Dates

2021-05-31Published

2017-04-21Filed