Nature’s Bounty Beauty Complex with Biotin food supplement is a complete formula, with nutrients specifically selected to support your hair, skin and nails. Zinc contributes to the maintenance of normal hair, skin and nails. Biotin contributes to the maintenance of normal hair and skin. Vitamin C contributes to normal collagen formation for the normal function of skin. Suggested Use: For adults, take two caplets daily, preferably with a meal. Do not exceed stated dose.