Deeply Cleanses hair while promoting healthy hair growth. Fortified, strengthening formula with Biotin, a water-soluble vitamin that's a part of the vitamin B family. Your body needs biotin to help convert certain nutrients into energy. Biotin plays an important role in the health of your hair, skin, and nails. A lack of Biotin can lead to hair loss. Strengthening formula leaves hair stronger, fuller and thicker while encouraging healthy hair growth. Our Pro-Growth Biotin Shampoo works to keep your hair color vibrant while giving your hair manageability, softness and shine.