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 keratin fibers includes a cosmetic preparation. The cosmetic preparation contains at least one copolymer a1) which is composed at least of the following monomer units: N-tert-octylacrylamide, acrylic acid, and tert-butylaminoethyl methacrylate. The cosmetic preparation further contains at least one copolymer a2) which is composed at least of the following monomer units: (meth)acrylic acid, (meth)acrylic acid alkyl ester, and (meth)acrylic acid hydroxyalkyl ester. The proportion by weight of the copolymers a1) and a2) based on the total weight of the cosmetic preparation is about 1.0 to about 10% by weight.