Sentinel Skin, Hair & Nails Formula is a dietary supplement containing essential nutrients designed to support healthy skin, strong hair growth, and nail strength. The formula comes in a bottle of 100 tablets to provide comprehensive beauty support from within. As a dietary supplement, this product should be taken as directed on the label. Store in a cool, dry place away from direct sunlight. Keep out of reach of children. Consult your healthcare provider before use if you are pregnant, nursing, or have any medical conditions.