Cosmetic agents, apparatuses and methods for treating keratin-containing fibers, in particular human hair, are provided. In an embodiment, a cosmetic agent for treating keratin-containing fibers includes(a) at least one setting polymer, and(b) at least one starch compound dispersed as solid particles, and(c) at least one solvent, different from water, that is liquid at 25° C. and 1013 mbar, and(d) based on the total weight of the agent, about 0 to about 20 wt % water,and is suitable for increasing the volume of and for remodeling keratin-containing fibers, in particular human hair.