It&ly SynergiCare Color Xtend Shampoo is a sulfate and paraben free shampoo that moisturizes and nourishes colored hair. It helps keep the color vibrant. Sulfate-free shampoo specific for over-processed hair to ensure a gentle and nourishing cleansing action thanks to Phytocoll Marine. Hair becomes soft, brilliant and manageable; the color brightens up with a new long-lasting shine. DIRECTIONS: apply evenly on wet hair, massage then rinse abundantly. Repeat the application if necessary. Proceed with the specific treatment with Deep Nourishing Mask