OPI's Gel Break Serum is part of a 3-step system that restores nail strength from improper removal of gel polish. In just a week, nails appear healthy and rejuvenated. No light curing needed. Not tested on animals. Benefits: Enriched with sodium hyaluronate, vitamins and bamboo extract Unique shimmer-serum base coat masks nail imperfections and discolorations while laying the foundation for a flawless Gel Break manicure