| 摘要 |
Disclosed are preparations containing a combination of a zwitterionic polymer and a compound of the general formula (1): wherein aat 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, alkyl groups having 1 to 22 carbon atoms, hydroxyalkyl groups having 1 to 4 carbon atoms, alkenyl groups having 2 to 22 carbon atoms, acyl groups having 2 to 22 carbon atoms or optionally substitut-ed aromatic groups having 6 to 10 carbon atoms, and the remaining substituents R1 to R3 represent hydrogen or alkyl groups having 1 to 4 carbon atoms. Such preparations improve the condition of the hair, in particular the moisture retention and curl retention capability after cleaning or cosmetic treatment. In addition, the preparations are better tolerated by the skin.
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