Redken's powerful prescription to reconstruct damaged proteins to reinforce distressed hair, Redken Extreme CAT treatment is a rinse-out to strengthen strands against hair breakage. Extreme CAT treatment is also used by Pros to prep and strengthen hair prior to chemical services that can disrupt the hair's protein.
BENEFITS
• Reconstructs damaged proteins in distressed hair
• Reconditions and adds immediate strength without added weight
• Helps prep hair before chemical services to prevent future damage
• Helps prevent breakage and split ends
THE SUSTAINABILITY
Made of minimum 94% recycled plastic*
formula made in factory using renewable energy**
* Except cap or pump.
** In the previous calendar year. Find more info on the L'Oreal Universal Registration Document.
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.
WHY REDKEN PROS RECOMMEND IT
Rosa Cisneroz-Ngauamo
My fan favorite for all textures of hair that have any color, lightening, or chemical service. When hair feels weak this is the surge of strength to bring life back into it.
BEFORE AND AFTER
BEFORE AND AFTER
FAQ
FREQUENTLY ASKED QUESTIONS
Answers to Your Frequently Asked Questions
Who is the Extreme CAT anti-damage protein reconstructing rinse out treatment best for?
Redken's Extreme CAT is best for adding immediate strength to all types of damaged hair from distressed and brittle hair to extremely damaged hair.
What result can I expect to see using Extreme CAT Anti-Damage Protein Reconstructing Rinse Out Treatment?
Redken's Extreme CAT reconstructs and reconditions without adding any weight to the hair, while preventing future breakage.
What is the key ingredient in the Extreme CAT Anti-Damage Protein Reconstructing Rinse Out Treatment?
Extreme CAT contains 2% Protein Strength Complex that treats hair from the root to tip, giving 3 levels of nourishment.
How do I use Redken's Extreme CAT Anti-Damage Protein Reconstructing Rinse Out Treatment?
After Shampooing, apply Extreme CAT to damp hair. Leave on 5-15 minutes, rinse thoroughly. Use 1-3 times per week.
Who is the Extreme hair care collection best for?
The full Extreme regimen is for those who have any type of damaged or compromised hair.
What is the difference between the Extreme hair care collection and Extreme Bleach Recovery?
Extreme is better suited for individuals who have damaged hair from every day activities, and heat styling.
What is the difference between the Extreme hair care collections?
Extreme is the professional solution for damaged hair. Extreme Length helps to fortify lengths for 81% less breakage to help grow hair longer, when used as a system. Extreme Bleach Recovery helps restore a healthy touch between lightening services.
Has the formula recently changed?
No, this is the same formula now available in eco-friendly packaging.
Learn more 
Taurine
