Goldwell Dualsenses Just Smooth 60 Sec. Treatment is a treatment specifically developed to make unruly hair more manageable. This mask combats frizz and detangle the hair, making it also easier to comb. It has nourishing formula that works to smoothen and tame the appearance of unruly, frizzy hair. This hair treatment is perfect for those with unruly hair who want to quickly and easily regenerate their hair while also providing manageability and frizz control.