Durable Product This lightweight conditioner offers long-term conditioning benefits to improve overall strength of hair and health of scalp. Helps reduce itching and dryness. Thickens and promotes flake-free hair growth. Hydrates and reduces frizz. Massage a quarter size amount into wet hair and scalp following shampoo. Leave on remainder of shower. Rinse. leaves hair and scalp healthy and hydrated, also reducing frizz.Jack Black Nourishing Hair and Scalp is a deeply moisturizing, rich conditioner that leaves the scalp and hair hydrated without weighing the hair down. It hydrates and reduces frizz.Massage a quarter size amount into wet hair and scalp following shampoo. Leave on remainder of shower. Rinse.