| abstract |
The invention relates to a composition for treating keratin substances, in particular the hair, containing, in a cosmetically and/or dermatologically acceptable aqueous medium, at least:a) one zwitterionic polymer resulting from the copolymerization of at least one monomer of formula (I): in which R1 and R2, which may be identical or different, represent a hydrogen atom or a methyl radical, and R3, R4 and R5, which may be identical or different, represent a linear or branched alkyl radical containing from 1 to 4 carbon atoms,Z represents an NH group or an oxygen atom,n is an integer from 2 to 5,A- is an anion derived from an organic or inorganic acid,and at least one monomer of formula (II): in which R6 and R7, which may be identical or different, represent a hydrogen atom or a methyl radical;the said polymer being soluble in water to a concentration of 1% by weight at a pH below 6 and at 20° C.;b) one non-amino, non-volatile, water-insoluble silicone with a viscosity of greater than 3x10-5 m2/s (300 centistokes). |