Nature + Science Color Extend Shampoo is a sulfate free shampoo ideal for color treated hair. It is formulated with naturally derived ingredients including ginseng for enhanced color vibrancy. innovative Nature + Science line uses high performance ingredients, naturally sourced from nature, to deliver amazing results with a clean feel.Key Benefits:/n-Vegan, Sulfate-free, Silicone-free, and Paraben-free/n-Protecting shampoo for color treated hair/n-Helps maintain hair color vibrancy and adds shine/n-Uses ginseng, phytonutrients and antioxidants to help maintain hair color vibrancy and adds shine