Nexxus Color Assure Replenishing Nutrient Shampoo 13.5 oz- NEXXUS SALON FORMULA helps color-treated hair maintain it's optimal healthy shine by infusing the hair with time release nutrients. Color Assure is fortified with NexxuSphere technology, to provide the sustained delivery of Vitamins, Vegetable Ceramides, Avocado Oil, Essential Fatty Acids, and Soybean lipids. These nourishing ingredients effectively combat the daily stresses from harsh environmental elements including heat, sunlight and pollution. It dramatically improves color treated hair's radiance, softness and strength.