Extreme CAT Anti-Damage Protein Reconstructing Rinse-Off Treatment - Redken's Extreme CAT is a rinse-out hair treatment that adds immediate strength to distressed, brittle hair. This professional product reconstructs and reconditions without adding any weight to the hair.BenefitsPreps hair as a first step in hair treatment regimenHelps strengthen distressed, damaged hair without adding weightHelps prep hair before chemical services to prevent future damageAdds immediate power to distressed & damaged hair while strengthening strands against hair breakageKey IngredientsRedken's Strength Complex for strengthening hair - Extreme CAT Anti-Damage Protein Reconstructing Rinse-Off Treatment