Real Raw Biotin Boost Shampoo strengthens and repairs is a sensual and unique formula that strengthens your damaged hair from the inside out. Biotin will immediately be injected into your strands, maximizing strength, elasticity, youthfulness, and hydration resulting in soft, strong and healthy hair. Transform fine, flat strands into thick, bodyful hair. Biotin injects itself into the hair. Promoting hair growth and strength.This powerful blend of nutrient rich Biotin and thickening Collagen creates thicker, fuller hair. Thick and full nutrient rich formula full of ProVitamin b7 gives your hair a luscious boost. This unique formula strengthens your damaged hair from the inside out. Resulting in Thicker, Hydrated, Soft, Moisturizing and Shiny hair.