The present invention relates to a kit for the coating of a nail or false nail, and more particularly for the makeup of a nail or false nail, comprising: - a first photocurable cosmetic composition comprising in a physiologically acceptable medium at least one photocrosslinkable compound a) corresponding to the following formula (I): Formula (I) in which: - R1, R2, R3, which may be identical or different, representing a hydrogen atom, a C1-C10 alkyl group, - n representing a integer between 1 and 10, the bond between α and β of carbonyloxy is a single bond, a double bond or is a bond included in a (hetero) ring comprising from 5 to 7 carbon atoms； and a second photocrosslinkable composition comprising, in a physiologically acceptable medium: at least one phtotecreatable compound b) comprising at least one compound (poly) urethane poly (ALK) acrylate comprising a (poly) oxyalkylene unit, at least one phtotecreatable compound, ) comprising at least two carbamate units obtained by reaction with at least one diisocyanate of isophorone diisocyanate type, • at least one (ALK) acrylate monomer, preferably (meth) acrylate, more preferably tetrahydrofurfuryl methacrylate, the present invention also relates to processes particular applications of such a composition. La présente invention concerne un kit destiné au revêtement d'un ongle ou faux-ongle, et plus particulièrement destiné au maquillage d'un ongle ou faux-ongle, comprenant : - une première composition cosmétique photoréticulable comprenant dans un milieu physiologiquement acceptable au moins un composé photoréticulable a) répondant à la formule (I) suivante : Formule (I) dans laquelle : - R , R , R , identiques ou différents, représentant un atome d'hydrogène, un groupe alkyle en C -C , - n représentant un nombre entier compris entre 1 et 10, - la liaison entre α et β du carbonyloxy est une simple liaison, une double liaison ou est une liaison comprise dans un (h
