Extreme
Extreme
Extreme Length Leave-In Treatment for Split Ends
Leave-in treatment strengthens fragile hair and seals visible split ends.A leave-in split-end sealer with biotin and 4% Length Care Complex. It helps strengthen fragile hair, adds smoothness and visibly reduces split ends by 78% as part of the Extreme Length system.
- How to use
- Ingredients
- After Extreme Length Shampoo and Conditioner, towel-dry the hair so it is clean and damp.
- Apply the leave-in treatment, concentrating on mid-lengths through ends.
- Do not rinse. Style as desired.
Key Ingredients
Biotin; almond oil; ceramides; vegetable protein; 4% Length Care Complex
For the most current ingredient list, refer to the product packaging.
Reviews
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Love this leave in sealer
Yes, I recommend this product.
Originally posted on redken.com
Healthy & Stronger!
Yes, I recommend this product.
Originally posted on redken.com
Part of an excellent treatment system
Yes, I recommend this product.
Originally posted on redken.com
Used it consistently without results
No, I do not recommend this product.
Originally posted on redken.com
DON'T CUT YOUR SPLIT ENDS BECAUSE I CAN HELP!
Yes, I recommend this product.
Originally posted on redken.com
No frizz! Silky and shiny!
Yes, I recommend this product.
Originally posted on redken.com
Love it!!
Yes, I recommend this product.
Originally posted on redken.com
I love leave in
Yes, I recommend this product.
Originally posted on redken.com
Reviews
Average Customer Ratings
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It's a miracle mix

Originally posted on influenster.com
Good
Yes, I recommend this product.
Originally posted on redken.com
Great for smoothing split ends
Yes, I recommend this product.
Originally posted on redken.com
Just okay
No, I do not recommend this product.
Originally posted on redken.com
Long, strong hair
Yes, I recommend this product.
Originally posted on redken.com
Originally posted on redken.com
Natural, Low Porosity, Dense Hair
Yes, I recommend this product.
Originally posted on redken.com
I love this leave-in treatment
Yes, I recommend this product.
Originally posted on redken.com
Always use!
Yes, I recommend this product.
Originally posted on redken.com
Great Product
Yes, I recommend this product.
Originally posted on redken.com
Hair is stronger and feels great!
Yes, I recommend this product.
Originally posted on redken.com
This is the best leave in I've used
Yes, I recommend this product.
Originally posted on redken.com
The Redken Extreme Length

Originally posted on influenster.com
Love love the leave-in for dry hair
Yes, I recommend this product.
Originally posted on redken.com
Longer and Stronger than Ever!
Yes, I recommend this product.
Originally posted on redken.com
Feels so good.
Yes, I recommend this product.
Originally posted on redken.com
Loved this!
Yes, I recommend this product.
Originally posted on redken.com
Perfect!
Yes, I recommend this product.
Originally posted on redken.com
Soft scent. Less frizz
Yes, I recommend this product.
Originally posted on redken.com
No Greasy Coating
Yes, I recommend this product.
Originally posted on redken.com
No difference in hair yet but nice product
Yes, I recommend this product.
Originally posted on redken.com
Love this!
Yes, I recommend this product.
Originally posted on redken.com
Doesn't weigh down hair
Yes, I recommend this product.
Originally posted on redken.com
Great for split ends
Yes, I recommend this product.
Originally posted on redken.com
Works Immediately
Originally posted on redken.com
Redken extreme length
Yes, I recommend this product.
Originally posted on redken.com
Hair feels more managable.
Yes, I recommend this product.
Originally posted on redken.com
Frizz Free
Yes, I recommend this product.
Originally posted on redken.com
Bounce
Yes, I recommend this product.
Originally posted on redken.com
Love it.
Yes, I recommend this product.
Originally posted on redken.com
Reviews
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Damaged my hair
No, I do not recommend this product.
If you use it correctly, it is magical
Yes, I recommend this product.
DREADFUL PRODUCT!!
No, I do not recommend this product.






