Treatment to straighten hair with advanced technology at home. It consists of four steps with a natural formula that helps rebuild the hair fibre, deeply moisturise and eliminate frizz. Free of formaldehyde and derivatives, colourants. Not tested on animals. Suitable for vegans. Includes 1 Pre-smoothing shampoo, helps open the cuticle for treatment penetration.1 Smoothing cream, helps to smooth quickly, ultra-treatment and effective results.1 Post-straightening mask, repairs and moisturises deeply and leaves hair straight 1 Post-straightening shampoo, helps to maintain straight hair for much longer.