Redken Extreme Length Leave-In Treatment with Redken's Length Care Complex is formulated with Biotin and Soy Protein to help fortify lengths to reduce breakage, allowing hair to lengthen, when used as a system. Used by pros to strengthen damaged hair, Extreme Length Leave-In Treatment reduces breakage to create longer results for hair that feels full from roots to tip.
BEST FOR:
• All hair types and textures
• Fortifying and protecting length
• Damaged hair lacking protein
BENEFITS
• Visibly reduces the appearance of split ends by 78%*
• Formulated with biotin and soy protein to help strengthen hair
• Adds manageability, smoothness and shine
*when used as a full system with Redken Extreme Length Shampoo, Conditioner and Sealer
THE SUSTAINABILITY
formula made in factory using renewable energy*
vegan formula**
* In the previous calendar year. Find more info on the L'Oreal Universal Registration Document.
** No animal derived ingredients.
THE TECHNOLOGY
THE SCIENCE INSIDE
Biotin, a B-vitamin that helps promote healthy hair growth
DISCOVER EXTREME LENGTH LEAVE-IN TREATMENT WITH BIOTIN
PDP How To Apply
HOW TO USE EXTREME LENGTH LEAVE-IN TREATMENT WITH BIOTIN
Apply to clean, damp, towel-dried hair. Leave-in. Style as desired.
WHY REDKEN PROS RECOMMEND IT
Over the years, my clients have constantly been complaining about breakage within their hair shafts from split ends not having enough growth. redken to the rescue! Extreme lengths biotin and castor oil infused regimen has been by far the best investment I’ve made for my clients and that they made for themselves. The treatment completely restructures the feel of the hair. Your hair looks and feels brand new after just one use. The entire regimen is worth every penny.
Amanda Flynn, Redken Artist & Educator, Redken Specialist & Certified Colorist. Salon Expertise: Low Maintenance High Impact Color & ️Prescribed Haircare Regimens. @hairbyflynn
BEFORE AND AFTER
BEFORE AND AFTER
FAQ
FREQUENTLY ASKED QUESTIONS
Answers to Your Frequently Asked Questions
Who is the Extreme Length Leave-In Treatment with Biotin best for?
Redken Extreme Length Leave-In Treatment with Biotin is best for those seeking to strengthen and fortify lengths to reduce breakage for damaged hair.
What result can I expect to see using Redken's Extreme Length Leave-In Treatment with Biotin?
Extreme Length Leave-In Treatment with Biotin will visibly reduce the appearance of split ends by 78%. It adds manageability, smoothness, and shine to the hair all while preventing hair breakage.
What is the key ingredient in the Extreme Length Leave-In Treatment with Biotin?
Redken's Extreme Length Leave-In Treatment with Biotin features Biotin, Soy Protein, and Length Care Complex to help prevent breakage and visibly reduce the appearance of split ends.
How do I use the Extreme Length Leave-In Treatment with Biotin?
Apply to clean, damp, towel-dried hair. Leave-in. Style as desired.
Are there any additional ingredients besides biotin?
Extreme Length Leave-In Treatment is also formulated with soy protein.
What is the main ingredient in the Extreme Length collection?
All Extreme Length hair products are infused with biotin as part of a Length Care Complex for longer, stronger hair.
How does the Extreme Length hair care collection help hair grow longer?
Extreme is the professional solution for damaged hair. Extreme Length helps fortify lengths to reduce breakage, allowing hair to grow longer, when used as a system. Extreme Bleach Recovery helps restore a healthy touch between lightening services.
Learn more 
Biotin, a B-vitamin that helps promote healthy hair growth
