Tresemme Keratin Smooth Shampoo, a hair care product with Renewing Complex, revitalizes damaged hair for up to 2 years after just 5 uses * and protects the damaged hair from being brittle. future Gentle every day Helps restore hair for beautiful, healthy hair. How to use: Apply shampoo on wet hair. Massage until foaming and rinse thoroughly. For best performance, use the Tresemme Platinum Strength product set.