Hair treatment preparations

Details Hair treatment preparations Hair treatment preparations

A - Human Necessities

61

K

A61K 8/49 (2006.01) A61K 8/73 (2006.01) A61K 8/81 (2006.01) A61K 8/92 (2006.01) A61Q 5/00 (2006.01) A61Q 5/02 (2006.01) A61Q 5/04 (2006.01) A61Q 5/06 (2006.01) A61Q 5/10 (2006.01) A61K 7/06 (1995.01)

Patent

CA 2145861

The invention relates to the use of a combination of active ingredients consisting of (A) alkoxylated wool wax alcohols and (B) a pyrrolidone carboxylic acid and/or pyrrolidone carboxylic acid derivative corresponding to general formula (I) (I) Image in which at least one of the substituents R1 to R3 is a group -COOR4, where R4 is hydrogen, an alkali metal ion, an alkaline earth metal ion or an ammonium ion +NHR5R6R7, where R5 to R7 independently of one another represent hydrogen, C1-22 alkyl groups, C1-4 hydroxyalkyl groups, C2-22 alkenyl groups, C2-22 acyl groups or optionally substituted C6-10 aromatic groups, and the remaining substitu- ents R1 to R3 are hydrogen or C1-4 alkyl groups, in aqueous preparations for the washing and care of hair. In the case of colored hair, a strong levelling effect can thus be obtained with surprisingly little change in color.

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