Cosmetic agents and methods for temporarily shaping keratin-containing fibers using the cosmetic agents are provided herein. In one embodiment, the cosmetic agent includes a cosmetic carrier. The cosmetic agent further includes at least one chitosan or derivative thereof. The cosmetic agent further includes at least one hydrophobic pyrogenic silicic acid. The cosmetic agent also includes at least one non-ionic, anionic, or amphoteric film-forming polymer. In another embodiment, the method includes the step of using the cosmetic agent for temporarily shaping keratin-containing fibers.