DETAILS Nourish and cleanse dry, weak, or brittle hair with this scalp-tingling hair-strengthening shampoo! Infused with biotin to encourage growth Gently cleanses and protects hair Smells great! USAGE Apply a dime-sized amount to your hands and massage on wet hair for a rich lather. Rinse thoroughly. Repeat and follow with Rosemary Mint Strengthening Hair Masque.