This sulfate-free, clear color-extending shampoo nourishes hair and scalp with sunflower seed extract, protecting color from free radicals and UV damage. Use on any hair color to help reduce color-fading and extend the life of color molecules. Perfect for anyone that wants protection for their hair color. It forms a rich lather upon application and leaves hair more vibrant and with a brilliant shine. Can be used in alternation with Tressa Watercolor Maintenance Shampoos to enhance specific hair colors.