Cinnamic acid and derivatives thereof are well suited for promoting desquamation
and/or stimulating epidermal renewal and/or combating intrinsic/extrinsic aging
of the skin of a human subject in need of such treatment, by topically applying
thereto, for such period of time as required to elicit the desired response, a
cosmetically/therapeutically effective amount of cinnamic acid and/or of at least
one derivative thereof.