- Gently removes excess sebum and residue to promote fuller-looking hair. Sulfate-free and sodium chloride-free formula is color-safe and gentle enough to use every day on all hair types. L’ANZA’s Healing Nourish contains our exclusive Anagen 7 System that keeps hair in the Anagen (growth) phase longer by targeting the seven areas to nourish healthy hair growth. Massage into hair, rinse, and then follow with Stimulating Conditioner and Stimulating Hair Treatment.