The Goldwell Dualsenses Just Smooth Taming Oil is a leave-in treatment designed to tame frizzy and unruly hair. Infused with kukui nut oil, it hydrates, controls frizz, and provides anti-humidity protection while delivering radiant shine. Frizz control: instantly smooths hair structure. Anti-humidity action: protects hair from humid environments. Key ingredient: hydrating and nourishing kukui nut oil. Light effect: provides shine and silky softness. HOW TO USE Apply 1 to 2 pumps on lengths and ends. Use on damp hair before blow-drying or on dry hair for finishing. Do not rinse.