Wash the hair with detox shampoo and towel dry. Remove any excess water using a hair dryer. Divide the hair into 4 big sections. Use gloves. Start applying the Smoothing Treatment in 2 to 4cm sections, section by section from the roots to the ends. Start from the back sections. Apply with a tint brush and use a fine tooth comb to spread the product length wise. then comb the hair back, avoiding contact with the face. Exposure time will vary, depending on the type of hair and the resistance to the curl being treated. As a guide: Hair with volume or frizz - 15 to 30 minutes, Wavy hair - 30 to 45 minutes, Curly hair - 45 to 60 minutes. Rinse hair to remove all the product . Blow dry the hair. Pass a straightener at least 8 to 10 times on each section. 2 to 4cm sections from roots to the ends using the same tension and pressure all the way down the hair. Recommended temperatures: Fragile / bleached hair - 180°c to 200°c, Normal hair - 220°c to 240°c.