Sentinel Skin, Hair & Nails Formula is a dietary supplement containing essential vitamins and minerals formulated to support healthy skin, strong hair growth, and nail strength. Each bottle contains 100 tablets designed to provide nutritional support for overall beauty and wellness. As this is a dietary supplement, it should be taken as directed on the product label. The formula likely contains key nutrients like biotin, vitamins A, C, E, and minerals that work together to promote skin health, hair growth and nail strength from within. Always consult with a healthcare provider before starting any new supplement regimen.