Redken's Extreme Shampoo is part of the SMART Haircare family and is designed to strengthen, nourish, and gently cleanse damaged hair. This fortifying, strengthening shampoo will manage and treat your tired hair using our exclusive RCT Protein Complex that treats hair from the inside out with it's new, smart, multi-target delivery system. Dry, dull and damaged hair will thank you as this shampoo strengthens and restores while preventing future breakage for visibly healthier, happier hair. *when using the entire Extreme system (shampoo, conditioner, and Anti-Snap) Colour-safe Who is it for? All hair types What does it do? Fortifying and strengthening Nourishing and restorative Increases softness and shine How do you use it? Apply a dime-sized amount to wet hair at the scalp Gently lather and massage through hair, working down to the ends Rinse Repeat for extra cleansing For best results, use alongside the rest of the Redken Extreme product line