Enriched with strengthening retinol, this top coat works to lock in color and add a glossy, high-shine finish in just 45 seconds. Enriched with strengthening retinol, this top coat works to lock in color and add a glossy, high-shine finish in just 45 seconds. On a mission to make you feel and look your most incredible self, Nails.INC harnesses 20 years of experience to bring you the best in beauty, whether it's innovative manicure essentials or *of-the-moment* polish shades.