Cindi Top Coat Voted #1 longest lasting natural manicure system on the market. Revive your natural nails with added strength. Made with non-toxic ingredients that revive, heal, repair, and protect your natural nails. 7 Free, vegan, cruelty-free. safe for children, pregnant women & cancer patients. Protective Top Coat - Seals & protects from splitting & peeling while allowing your natural nails to breathe & grow.