Cindi Revive Healing Base Coat 0.5oz. 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. Healing Base Coat - Holds Manicure 7-14 days.