A professional booster for hair in need of a shock treatment. Protects hair against damage caused by bleaching, colouring or chemical treatments. Ultra-concentrated formula with Plex Rebuilder technology, which rebuilds broken bonds between the hair fibres. Restructuring. Used once a week, it invigorates hair and gives it body, while restoring its natural balance. Hair condition is visibly improved. Up to 93% less breakage*. Professional results at home.