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Redken
Redken Extreme Length Biotin Conditioner For Longer Hair – Promotes Healthy Hair Growth, Strengthens & Detangles Damaged Hair, Infused With Biotin & Castor Oil 10.1 Fl Oz (Pack of 1)
4.6
Based on 7,699 reviewsReal-World Testing
30 days of real-world testing
Recently Updated
Updated Nov 17, 2025
Technical Specifications
Complete product details
- Product Dimensions
- 2.19 x 2.56 x 6.25 inches; 11.2 ounces
- Item model number
- P2002400
- UPC
- 884486453464
- Manufacturer
- Redken
- ASIN
- B08SSRQJXC
- Best Sellers Rank
- See Top 100 in Beauty & Personal Care
- Brand
- Redken
- Scent
- Floral
- Item Weight
- 0.7 Pounds
- Active Ingredients
- castor oil,niacinamide
- Age Range (Description)
- Adult
- GTIN
- 884486453464
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About the Author
Expert analysis by Yara Haddad
Yara Haddad
Expert ReviewerContributing Writer
From Dubai, Yara covers premium skincare and fragrance tech for Review Atlas. She distinguishes true performance from packaging theatre and highlights brands that back claims with service.
Beauty Personal CareLuxury Stores
View Full ProfileHow We Tested This Product
Our rigorous, independent testing process
Testing Period
30 days
Tested By
Yara Haddad
Our Testing Process
- We purchase all products at full retail price to ensure unbiased testing
- Products are tested in real-world conditions matching everyday use
- Our experts conduct both objective measurements and subjective evaluations
- Reviews are regularly updated as new products enter the market
- Tested according to our Beauty & Personal Care testing methodology
Last updated: November 17, 2025
|Independently tested and reviewed