- Hair Care
- Shampoo & Conditioner
- Leave in Conditioner
- Redken Extreme Length Sealer Leave-in Treatment






Get Fri 9 Jun - Tue 13 Jun
Order within 15 hrs, 58 mins
- In Stock
- 14 Day Returns
- Fast Delivery Options
- £18.75 From Gorgeous Shop
- £18.75 From Beauty Flash
- £19.92 From Beyond Beautiful
- £23.89 From Look Fantastic
Product Description
Discover the nourishing Redken Extreme Length Sealer Leave-in Treatment. This solution is part of the Extreme Length range which targets tresses prone to damage and breakages.
Whether you want to nourish your long locks or encourage your short strands to grow, this treatment is a must in your bathroom cabinet. It contains a reparative formula which helps reduce breakages by an impressive 81% and minimise the appearance of split ends by 78%. This seal and strengthens the hair fibres to keep your mane in a healthy condition to ensure optimal hair growth.
Formulated with hair-loving biotin and soy protein, this leave-in treatment is designed to fortify and moisturise each strand. This means your hair feels smoother, softer and shinier for more manageable results.

Written by Rebecca Jenkinson, Beauty Editor
Product details
Hair Type: Formulated for all hair types
Hair Benefit: Shine, smoothing, strengthening and hydrating
Hair Concern: Dry, damaged, split ends, weak, brittle and dullness
Ingredient Highlights: Contains ahas, almond oil, biotin, ceramide, citric acid, glycerin and vitamin b.
Ingredient Features
If you're looking to strengthen the hair shaft and to lock nutrients in then the ceramide contained in this leave in conditioner provides the perfect solution. The vitamin b in this item will also work to add moisture to dry hair and to improve scalp health.
What does Redken say?
"Redken Extreme Length Leave-In Conditioner with Redken's Length Care Complex made with Biotin and Soy Protein helps hair growth by strengthening damaged hair to grow longer and stronger. Extreme Length Leave-In Conditioner also helps prevent hair breakage."
How do you use it?
- Start with shampooed and conditioned towel-dried hair
- Take a generous amount of cream
- Smooth over mid-lengths to ends
- Leave in, do not rinse out
- Style as usual
Redken Extreme Length bio
Protect and strengthen your strands with the Redken Extreme Length collection. This subsection of the Extreme range targets hair growth to help prevent breakages and split ends. It contains a nourishing remedy to smooth and nourish every strand for longer, luscious results. Shop the range at Cosmetify today.
Does Cosmetify do price alerts for this Hair Care product from Redken?
Prices change frequently, simply sign up for a price alert by hitting the button next to the price further up the page and we’ll let you know when it drops.
Delivery & Returns
Products over £38.00 qualify for free standard delivery with Cloud10Beauty, otherwise there is a charge of £4.50 with orders usually arriving within 1-4 days of dispatch. Express/Next day delivery option available. Shipping available to UK addresses only.
The returns policy for this retailer is around 14 days, see their website for further information.