Achieve Thicker, Fuller, Stronger Hair. Biotin-B Complex restores keratin in hair cortex to build body and increase thickness. Caffeine protects and energizes roots for extended hair growth. Certified organic quinoa and soy proteins retain hair moisture and improve elasticity. Hair will be visibly thicker, fuller and healthier with continued use. , , Suggested Use: Massage into wet hair and scalp. Rinse thoroughly. For best results, use with Hair Rescue Ultimate Thickening Conditioner.