Redken Extreme Length Shampoo
- 10.1 fl oz (300 ml) bottle
- 81% less breakage claimed, per the maker's footnoted test
- 78% reduced look of split ends, per the maker
- Biotin and Length Care Complex
- Floral scent, all hair colors
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A biotin shampoo for people growing out fragile hair who want less breakage along the way. It strengthens what is there and does not speed up how fast hair grows from the scalp.
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ASIN: B08SSPQGZWCategory: Hair Shampoos
Overview
Not a growth serum, Redken Extreme Length is a biotin shampoo that strengthens damaged hair so it breaks less while growing out. It cleanses gently while a length care complex works on the hair from root to tip.
Less breakage and fewer split ends are what make length possible on fragile hair, and that is the whole focus here. The breakage figures are footnoted maker claims, and the test details are not shown on the listing.
Who it's for
People stuck at the same length because ends keep snapping get the most from it. Those with healthy hair and no breakage will not see much change.
Pros and cons
- Biotin to fortify hair
- Targets split ends root to tip
- Suits all hair types and colors
- Breakage claims lack test details
- Does not speed scalp growth
- Contains salicylic acid
Performance notes
Length gains come from fewer strands breaking off, so results show over repeated use rather than after one wash. Pairing it with gentle handling and less heat governs how much length is kept.
Specifications
| Brand | Redken |
|---|---|
| Dimensions & fit | |
| Item dimensions | 2.19 x 2.56 x 6.25 inches |
| Item weight | 0.34 kg |
| Capacity & performance | |
| Liquid Volume | 300 ml |
| Age Range Description | Adult |
| Construction & materials | |
| Suitable Hair Color | All hair colors |
| Material Type Free | Chemical Free |
| Included components | |
| Unit Count | 10.1 fluid ounces |
| Other details | |
| Hair Type | Damaged, all types and textures |
| Active Ingredients | Salicylic acid |
| Item Form | Liquid |
| Scent Name | Floral |
| Product Benefits | Strengthens damaged hair, gentle cleansing |
| Special Ingredients | Biotin, Length Care Complex |
| Breakage claim | 81% less breakage (maker footnote) |
| Split end claim | 78% reduced look of split ends (maker footnote) |
| Other Special Features Of The Product | Biotin infused shampoo that helps hair growth for damaged hair |
| Recommended Uses For Product | salon;spa |
Frequently asked questions
What comes with Redken Extreme Length Shampoo?
One bottle of shampoo, listed at 300 ml. No conditioner or treatment is included.
Does Redken Extreme Length Shampoo make hair grow faster?
No claim of faster growth is made. It strengthens damaged hair so it breaks less, which lets length build up.
Is Redken Extreme Length Shampoo safe for color treated hair?
The specs list it as suitable for all hair colors.