The present invention relates to a makeup and/or care method of a nail and/or false nail, 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 compound comprising at least two (meth)acrylate functions and at least one carboxylic acid function, 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.
