Cosmetic products for temporarily shaping keratinic fibers, comprising a) a cosmetic preparation containing al) at least one copolymer that is constructed from at least the following monomer units: - N-tert-octylacrylamide, - acrylic acid - tert.-butylaminoethyl methacrylate； a2) at least one copolymer that is constructed from at least the following monomer units: styrene acrylic acid and/or methacrylic acid, with the proportion by weight of copolymers al) and a2) with respect to the total weight of the cosmetic preparation being 10 to 30 wt%, the use thereof, and methods using these products
