TREsemme Smooth Curls Shampoo, enriched with Argan Oil, gently cleanses and softens hair, resulting in defined, easy-to-manage curls. As part of the TREsemme Smooth Curls routine, it’s never been easier to achieve fabulous, fresh curls. The new TREsemme Smooth Curls four-step range, enriched with Argan Oil, leaves you with defined to-die-for curls. No silicones, sulphates, parabens, alcohol or dyes.