This Redken product uses powerful reconstruct damaged proteins to reinforce distressed hair, Redken Extreme CAT treatment is a rinse-out treatment to strengthen strands against hair breakage. Extreme CAT is often used by Pros to prep and strengthen hair prior to chemical services that can disrupt the hair's protein.

How to use 

Apply after using Extreme Shampoo. Spray evenly on hair and lather. Leave on 3-5 minutes. Rinse thoroughly. Recommended for use 1-3 times per week. For intensified strength, use Extreme Anti-Snap.

• Reconstructs damaged proteins in damaged and distressed hair
• Reconditions and adds immediate strength without weighting down the hair
• Helps to prep hair before chemical treatments and to prevent future damage
• Helps prevent breakage and split ends