Photo-crosslinkable cosmetic composition in particular for coating a nail, and more particularly for making up a nail, comprising, in a physiologically acceptable medium: - at least one photo-crosslinkable compound a) corresponding to formula (I-1) below: in which formula (I-1): - R3 and R4, which may be identical or different, represent a hydrogen atom or a methyl group; - R1 and R2, which may be identical or different, represent a hydrogen atom, a methyl group or a group of formula (II-1) below: - at least one photo-crosslinkable compound b) corresponding to formula below: in which formula: - R 1, R 2, R 3, R 4, R 5, and R 6, which may be identical or different, represent a hydrogen atom or a C 1 -C 10 alkyl chain, preferably a hydrogen atom or a methyl group, - k and l, which may be identical or different, are between 1 and 10, preferably equal to 2, - m is between 1 and 100, preferably between 5 and 50, preferably between approximately 8 and 10, - n is between 1 and 10, preferably equal to 1, - X and Y, which may be identical or different, represent a C 1 -C 20 alkyl or cycloalkyl group, - at least one film-forming polymer present in a total content strictly less than 30% by weight, relative to the total weight of the solids of the composition. - at least one photo-crosslinkable compound a) corresponding to formula (I-1) below: in which formula (I-1): - R3 and R4, which may be identical or different, represent a hydrogen atom or a methyl group; - R1 and R2, which may be identical or different, represent a hydrogen atom, a methyl group or a group of formula (II-1) below: - at least one photo-crosslinkable compound b) corresponding to formula below: in which formula: - R 1, R 2, R 3, R 4, R 5, and R 6, which may be identical or different, represent a hydrogen atom or a C 1 -C 10 alkyl chain, preferably a hydrogen atom or a methyl group, - k and l, which may be identical or different, are between 1 and 10, preferably equal to 2, - m is between 1 and 100, preferably between 5 and 50, preferably between approximately 8 and 10, - n is between 1 and 10, preferably equal to 1, - X and Y, which may be identical or different, represent a C 1 -C 20 alkyl or cycloalkyl group, - at least one film-forming polymer present in a total content strictly less than 30% by weight, relative to the total weight of the solids of the composition. - R3 and R4, which may be identical or different, represent a hydrogen atom or a methyl group; - R1 and R2, which may be identical or different, represent a hydrogen atom, a methyl group or a group of formula (II-1) below: - at least one photo-crosslinkable compound b) corresponding to formula below: in which formula: - R 1, R 2, R 3, R 4, R 5, and R 6, which may be identical or different, represent a hydrogen atom or a C 1 -C 10 alkyl chain, preferably a hydrogen atom or a methyl group, - k and l, which may be identical or different, are between 1 and 10, preferably equal to 2, - m is between 1 and 100, preferably between 5 and 50, preferably between approximately 8 and 10, - n is between 1 and 10, preferably equal to 1, - X and Y, which may be identical or different, represent a C 1 -C 20 alkyl or cycloalkyl group, - R 1, R 2, R 3, R 4, R 5, and R 6, which may be identical or different, represent a hydrogen atom or a C 1 -C 10 alkyl chain, preferably a hydrogen atom or a methyl group, - k and l, which may be identical or different, are between 1 and 10, preferably equal to 2, - m is between 1 and 100, preferably between 5 and 50, preferably between approximately 8 and 10, - n is between 1 and 10, preferably equal to 1, - X and Y, which may be identical or different, represent a C 1 -C 20 alkyl or cycloalkyl group, - at least one film-forming polymer present in a total content strictly less than 30% by weight, relative to the total weight of the solids of the composition.