An exclusive blend of biotin (vitamin B7), collagen and argan oil, Luseta biotin and collagen shampoo and conditioner series helps prevent hair loss, promote hair growth, and volumize your hair for a thicker, fuller and healthier look. Biotin also is known as vitamin B7 contributes to the production of healthy hair. Collagen, the most abundant protein in the human body that helps renew cells, improves the health of skin and hair and ensures the elasticity and regeneration of hair.