Founded by hairstylist to Kendall Jenner and Chrissy Teigen Jen Atkin, OUAI Haircare is all about simple, relatable products that work. This super hydrating 'Smooth Shampoo' cleans, calms frizz and replenishes moisture, as well as protects color from fading. - Suitable for color-treated hair - Free from parabens and sulfates -Instructions for use: - Wet hair, lather, massage through and rinse thoroughly - Follow with Smooth Conditioner - 300ml/ 10fl.oz.