The a-Keratin Smoothing Shampoo is infused with Argan Oil, Avocado Oil and Hydrolyzed Keratin to transform unruly frizz into shiny and healthy hair. Formulated to soften, smooth, and hydrate thick and coarse hair while adding a healthy, shiny, and silky glow to hair. Enhanced cleansing action gently cleanses and strengthens the hair by removing excessive oils and adding softness and shine with a nourishing botanical blend. The a-Keratin Smoothing Shampoo formula is Sulfate and sodium chloride free which means it gently cleanses the hair while maintaining vibrancy and longevity to color treated hair, maintains moisture and longevity of the a-Keratin Smoothing Treatment. To use, dampen hair and gently massage a quarter-sized amount of the a-Keratin Smoothing Shampoo into hair and scalp, allowing the formula to emulsify. Rinse and repeat, if necessary.