Collagen + Biotin Hair Capsules combine hydrolyzed collagen peptides with high-dose Biotin for comprehensive hair support. Collagen provides the amino acids needed for hair shaft structure and scalp nourishment. Biotin supports keratin production for stronger and healthier-looking hair. Together they form a powerful hair wellness duo for improved thickness and shine. A popular two-in-one beauty supplement for hair, skin, and nail vitality.