BosRevive Nourishing Shampoo is uniquely formulated for those who want to help restore visibly thinning hair. Sulfate-free shampoo removes build-up, such as DHT, from the scalp surface, while cleansing hair of product build-up and pollution. Saw Palmetto, a natural DHT-Blocker, combines with natural extracts to help reduce scalp inflammation, increase scalp circulation and strengthen the hair to promote healthy hair growth. Maintains a clean environment for the appearance of thicker, fuller-looking hair.