GROWTH CONDITIONER - Deeply Conditions hair while promoting healthy hair growth. CONDITIONER FOR THINNING HAIR - Infused with fortifying 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. REGROWTH FORMULA - Biotin plays an important role in the health of your hair, skin, and nails. A lack of Biotin can lead to hair loss. This Strengthening formula leaves hair stronger, fuller and thicker.