The present invention relates to a composition suitable for topical application to the skin, containing, in a physiologically acceptable medium, at least one carbonyl amine of formula (I):
It also relates to the cosmetic use of this compound, especially for preventing or combating the signs of skin ageing, especially for relaxing the lines of the face and/or for smoothing out wrinkles, in particular expression wrinkles. The invention further relates to novel compounds of formula (II):