Disclosed herein are cosmetic compositions comprising (a) at least one ethylenically unsaturated polymerizable compound and (b) at least one photoinitiator system comprising at least one photoinitiator having at least one absorption wavelength greater than about 350 nm. Also disclosed herein are methods of making up and/or enhancing the appearance of a keratinous substrate comprising (1) forming at least one film on the keratinous substrate by applying said cosmetic composition to the keratinous substrate and (2) exposing the film to UV-LED radiation.