Patent ID: 8173583

Claim:
A hair cosmetic preparation comprising a cationic polymer obtainable by free-radical copolymerization of: a) 60 to 99 mol % of at least one 1-vinylimidazole monomer of the general formula I which is quaternized to at least 60 mol %, where R 1 to R 3 , independently of one another, are hydrogen, C 1 -C 4 -alkyl or phenyl; b) 1 to 40 mol % of at least one free-radically polymerizable monomer selected from b1) optionally quaternized compounds selected from the group consisting of dimethylaminoethyl methacrylate and N-[3-(dimethylamino)propyl]methacrylamide, or a mixture thereof; and c) 0 to 30 mol % of a N-vinyllactam, where the total amount of the monomers a) to c) is 100 mol %.