A cosmetic agent containing in a cosmetically acceptable carriera) at least one copolymer A with at least one structural unit (A1), at least one structural unit (A2), at least one structural unit (A3) and at least one structural unit (A4),whereinR1 denotes an optionally heterofunctionalized alkyl residueR2 denotes an optionally heterofunctionalized alkyl residue differing from R1R3 denotes an optionally heterofunctionalized alkyl residue mutually independently differing from R1 and R2b) at least one copolymer B differing from copolymer A with at least one structural unit (B1)wherein R4 denotes an optionally heterofunctionalized alkyl residue andc) at least one quaternary ammonium compound.
