Redken’s Extreme CAT protein reconstructive treatment provides immediate strength to damaged and weakened hair, strengthening strands against breakage. Extreme CAT is formulated with Redken’s Strength Complex and helps prepare hair before chemical treatments to prevent future damage.

Technology/Key ingredients:
Protein-based RCT technology provides deep conditioning action on the hair fiber on 3 levels (growth, lengths and ends).
Soy proteins, to structure growth.
Arginine, to reinforce lengths.
Sepicap, to restore ends.
Fortifying complex technology restores the hair’s protective lipid barrier. Smoothes the hair cuticle, restoring health and shine.

How to use:
After shampooing; squeeze excess water from hair. Apply CAT and distribute throughout hair. Leave on for 3-5 minutes and rinse. Then: apply the appropriate conditioner. For very sensitive hair due to chemical treatments; use CAT 1 - 3 times a week to strengthen hair.