Instantly restore your hair's moisture with Redken's Extreme CAT Protein Treatment. Redken's patented taurine technology & cationic proteins help reconstruct & fortify your damaged hair, leaving it super soft. The Extreme CAT Protein Treatment is specially formulated to provide a triple line of defence. Firstly, proteins penetrate deep into the core of your hair to build internal strength. Next, ceramide reinforces the cuticles to repair damage & prevent breakages. Finally, natural lipids leave hair shiny, with a smooth, touchable texture.