Brasil Cacau Gradual Smooth Serum. Resets the clock on your hair smoothing treatment. Revolutionary memory effect - the more you use the product, the straighter and smoother your hair gets. How it works - Upon applying heat, the active ingredients bond to the hair cuticle and a lasting memory effect. Shinesilk - Provides long-lasting frizz control even in humid environments. Cocoa - Its moisturizing property, deeply nourishes the hair. Instantly straight hair effect. Reduces blow drying time. Buit in heat protection and colour guard.