Say goodbye to harsh chemicals with the new FORCE-PLASTIA formula of BIO TANIX EXTREME line. It will smooth even the most rebellious hair in one go, reduce volume and eliminate frizz without discoloring or damaging your hair's color! All essential ingredients are present to nourish your strands while giving them a natural look and intense shine. Follow these steps to experience the full effect: 1. Apply BIO TANIX Step 1 shampoo to wet hair. 2. Part hair into sections and layer on BIO TANIX Step 2. Cover with a plastic cap, leave on for 45-60 minutes. 3. Rinse, brush and flat iron in thin layers 10-15x. 4. Apply BIO TANIX Step 3 mask, let rest for 3 mins, rinse off and style. Finally, experience the beauty of straight hair with unrivalled brilliance & naturalness!