Cosmetic agents and methods for the temporary shaping of keratinic fibers using the cosmetic agents are provided herein. In one embodiment, the cosmetic agent for the temporary shaping of keratinic fibers includes a cosmetic preparation. The cosmetic preparation contains at least one copolymer a1), made up of at least the following monomer units: N-tert-octylacrylamide, acrylic acid, and tert-butylaminoethyl methacrylate. The cosmetic preparation further contains at least one copolymer a2), made up of at least the following monomer units: styrene, and at least one of acrylic acid or methacrylic acid. The weight proportion of copolymers a1) and a2) in terms of the total weight of the cosmetic preparation is about 1.0 to about 10% by weight.