Pureology Strength Cure Shampoo & Conditioner Duo Set 8.5 Fl Oz - Improve micro-scarred and severely damage hair with Strength Cure s repair and restorative ingredients. Pureology Strength Cure repair and strengthening shampoo and conditioner deliver.Using exclusive Asta-Repair with Astaxanthin a powerful nature-derived antioxidant as well as Keravis Ceramide and Arginine the system fortifies and heals colored hair while also adding softness and protecting color vibrancy via Pureology AntifadeComplex.