The present invention relates, in particular, to: novel uses of a C-glycoside compound; the use, in a cosmetic composition in particular, of a C-glycoside compound in combination with at least one other skincare ingredient or active agent for improving the appearance and/or the texture of the skin; compositions comprising said combinations; or alternatively, a cosmetic or dermatological assembly comprising at least two separate compositions respectively containing, for one, the C-glycoside compound and, for the other, said cosmetic or dermatological ingredient and/or active agent; and cosmetic methods using said combinations and/or said compositions.