othing System Fluid 400ml is an acid-based smoothing fluid. With the help of heat, it reforms keratin bonds by eliminating frizz and making hair smooth, shiny and silky. Its features: Fights frizz effect Nourishes and repairs the hair Keeps hair hydrated, shiny and soft Protects from moisture and external agents Its active ingredient: KeraSea Complex Product Formaldehyde free, Paraben free, Gluten-free