State-of-the-art smoothing treatment, with hyaluronic acid as the main active ingredient. Long-lasting treatment to achieve the perfect smoothness. Maximum effectiveness from the first application, nourishing the hair from roots to ends, thanks to its exclusive formula based on five acids. Loose, light hair with impressive shine. It does not contain formaldehyde. How to use: Wash hair with Cleansing Shampoo and remove moisture. Shake the product before applying. Divide the hair into 4 sections and distribute the lotion between the sections with a light massage until lathering. Leave on for 20 minutes. Rinse hair thoroughly and dry completely. Heat the iron to 230º and pass 7 times through each strand (strands from 0.5 to 1 mm).