Reduces frizzy volume by 50% after one use*. - Gives you smoother, softer hair. - Powered by botanicals- including certified organic cupaucu and shea butters. - Keeps hair smooth, even in intense humidity.*In a clinical stress test. How to Use - Smooth evenly through your damp hair from roots to ends after shampooing with smooth infusion shampoo. - Leave in for 2-5 minutes. - Rinse thoroughly. Enjoy smoother, softer hair all day. You may notice a squeaky feeling on your hair when you apply smoothing masque. That means the blend of smoothing ingredients that surround each strand is working. When you rinse your hair, the squeaky feeling fades- and you hair is left soft and smooth.