A photopolymerizable composition for forming a cosmetic coating for natural and artificial nails of humans and animals comprising a photoinitiator and a polyurethane prepared by reacting a polyisocyanate with an acid, lactone, cyclic polyether, amine, or lactam that has been prepared from a renewable resource with a (meth)acrylate monomer and decorative, cosmetic finger-nail and toenail coatings formed by curing such compositions under UV or other light radiation.
