The present invention relates to cosmetic agents for temporarily deforming keratinous fibers comprising—relative to the total weight thereof—a) 0.1 to 2.0 w % of at least one hydrophobically modified (meth) acrylic acid copolymer and b) 0.2 to 12 wt % of at least one polymeric quaternary ammonium compound from the group of vinylpyrrolidone copolymers, to the use thereof, and to methods using said agents.