A radiation-curable nail gel composition comprising(a) one or more of the following: i. a vinyl functional, urethane;ii. a vinyl containing polyester; andiii. a compound containing an ester which does not contain a hydroxyl group;(b) at least one hydroxyl-containing monomer, oligomer, or solvent; and(c) a photo initiator;the radiation-curable gel nail coating composition comprising less than 10 ppm tin; and a method comprising applying the composition to a finger or toe nail and curing it in the presence of UV radiation.