Monat's Renew Shampoo penetrates deep into the scalp to increase natural hair growth and improve follicle strength. This sulfate-free shampoo is infused with REJUVENIQUE oil-intensive treatment to add moisture and strengthen hair.This ultra-hydrating cleanser is gentle enough to be safe on colored or chemically treated hair as well as hair extensions. After one wash, this shampoo renews hair's brilliance and softness.