Biotin + OptiMSM® — Hair Growth & Strength (30 Capsules)Why Dr. Anns Hair Architect Formula is Different Most hair supplements focus on growth alone. But longer hair doesn't mean healthier hair if it breaks before you get to enjoy the results. Dr. Ann Hair Architect Formula is designed to support both hair growth and hair strength. Biotin feeds new growth; OptiMSM (99. 9% pure) helps build the structure that keeps it so your hair doesnt just grow, it stays. Key Ingredients Biotin: Supports healthy hair