Treatment in 4 steps to achieve a perfect hair straightening. It is developed with Hyaluron System technology and active ingredients based on hyaluronic acid and keratin, which ensures a long-lasting professional result. It controls the hydration levels in the hair structure and offers a 12-week duration of straight hair. You get tame, shiny, frizz-free hair without sacrificing hydration. It is one of the latest trends in formaldehyde-free straightening.