Powdery compositions contain at least one particulate and amorphous metal oxide, with the proviso that at least one cosmetic active ingredient is present in said metal oxide in absorbed form, said active ingredient being selected from waxy esters, strengthening polymers, film-forming polymers, oxidation dye precursors, anionic surfactants, keratin-reducing compounds or mixtures thereof. Said powdery compositions are highly suitable for temporarily shaping keratin-containing fibers, especially human hair. Hair treated with said powders can be strengthened and retains its natural gloss.
