CHI Ionic Color Protector System 1 Shampoo Is fortified with CHI Ionic Technology, to gently cleanse hair without disrupting dye molecules to preserve your hair color. Product Benefits: Sulfate free Gently washes impurities from the hair without disrupting dye molecules Seals the cuticle, locking the color deep inside and creating shine Ionic Technology bonds to damaged areas of hair adding strength and resilience to the color results Directions: Wet hair and apply shampoo to the palm of hand. Lather and work through hair evenly from scalp to ends. Rinse and repeat if desired.