The present invention relates to a makeup and/or care method of a nail and/or false nail, particularly comprising a step for applying, onto a nail or false nail, a photocrosslinkable cosmetic composition C1, the composition C1 comprising in a physiologically acceptable medium at least one photocrosslinkable (meth)acrylate compound, at least one film-forming polymer P1 in a proportion greater than or equal to 10% by weight in relation to the total dry extract weight of the composition C1, at least one volatile solvent S in a proportion greater than or equal to 30% in relation to the total weight of the composition C1 and at least one photoinitiator.
