---
product_id: 404968121
title: "Redken Extreme Length Treatment Mask | Rinse-Out Hair Mask with Biotin & Castor Oil | For Hair Growth | 8.5 Fl Oz"
brand: "redken"
price: "VT21748"
currency: VUV
in_stock: false
reviews_count: 5
url: https://www.desertcart.vu/products/404968121-redken-extreme-length-treatment-mask-rinse-out-hair-mask-biotin
store_origin: VU
region: Vanuatu
---

# Visible results in just 5 minutes Infused with biotin & castor oil blend Strengthens hair strands by 30% Redken Extreme Length Treatment Mask | Rinse-Out Hair Mask with Biotin & Castor Oil | For Hair Growth | 8.5 Fl Oz

**Brand:** redken
**Price:** VT21748
**Availability:** ❌ Out of Stock

## Summary

> 💥 Unlock your hair’s full potential — because strong, long hair waits for no one!

## Quick Answers

- **What is this?** Redken Extreme Length Treatment Mask | Rinse-Out Hair Mask with Biotin & Castor Oil | For Hair Growth | 8.5 Fl Oz by redken
- **How much does it cost?** VT21748 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/404968121-redken-extreme-length-treatment-mask-rinse-out-hair-mask-biotin)

## Best For

- redken enthusiasts

## Why This Product

- Trusted redken brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Breakage Barrier:** Formulated to reduce hair breakage by reinforcing fragile strands.
- • **Split End Savior:** Visibly minimizes frayed split ends for a polished, professional look.
- • **Lightweight Luxury:** Non-greasy, lightweight formula leaves hair feeling nourished without weighing it down.
- • **Quick 5-Minute Ritual:** Effortless rinse-out treatment fits perfectly into your busy schedule.
- • **Power-Packed Growth Boost:** Biotin and castor oil team up to accelerate hair growth and scalp health.

## Overview

Redken Extreme Length Treatment Mask is a salon-grade, rinse-out hair mask enriched with biotin, niacinamide, and castor oil. Designed specifically for damaged hair, it nourishes the scalp, strengthens hair strands, and reduces split ends, delivering visible results in just 5 minutes. Lightweight and unscented, this 8.5 fl oz treatment is a must-have for professionals seeking longer, stronger hair with minimal effort.

## Description

This 5 minute treatment mask helps to promote a healthy, nourished scalp, strengthen the lengths, and visibly reduce split ends for longer, stronger hair. Powered by Biotin, Niacinamide and Castor Oil.

Review: Awesome hair product
Review: It’s worth the money!!

## Features

- Nourishing, strengthening rinse-out treatment for damaged hair
- Formulated with biotin and castor oil for hair growth
- Prevents breakage for longer, stronger hair
- Nourishes scalp and reduces frayed split ends
- Reduces breakage

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09MVMN2G8 |
| Active Ingredients | lactic_acid |
| Additional Features | Nourishes scalp and lengths to reduce hair breakage and frayed split ends. Leaves hair looking and feeling healthy. |
| Age Range Description | Adult |
| Age range (description) | Adult |
| Best Sellers Rank | #81,081 in Beauty ( See Top 100 in Beauty ) #813 in Hair Treatment Masks |
| Brand | Redken |
| Brand Name | Redken |
| Customer Reviews | 4.7 out of 5 stars 918 Reviews |
| Global Trade Identification Number | 00884486491817 |
| Hair Conditioner Type | Hair Conditioning Mask |
| Hair Type | Damaged |
| Hair type | Damaged |
| Item Dimensions | 5 x 7.6 x 21 centimeters |
| Item Form | liquid-makeups |
| Item form | liquid-makeups |
| Liquid Volume | 250 Milliliters |
| Manufacturer | AmazonUs/EC6PI |
| Material Features | Lightweight |
| Material features | Lightweight |
| Number of Items | 1 |
| Package Type Name | Bottle |
| Product Benefits | Promotes a healthy, nourished scalp, strengthens hair lengths and visibly reduces split ends for longer, stronger hair. |
| Product benefits | Promotes a healthy, nourished scalp, strengthens hair lengths and visibly reduces split ends for longer, stronger hair. Product benefits Promotes a healthy, nourished scalp, strengthens hair lengths and visibly reduces split ends for longer, stronger hair. See more |
| Recommended Uses For Product | salon;spa |
| Scent Name | Unscented |
| UPC | 884486491817 |
| Unit Count | 8.5 Milliliters |

## Product Details

- **Brand:** Redken
- **Hair type:** Damaged
- **Item form:** liquid-makeups
- **Material features:** Lightweight

## Images

![Redken Extreme Length Treatment Mask | Rinse-Out Hair Mask with Biotin & Castor Oil | For Hair Growth | 8.5 Fl Oz - Image 1](https://m.media-amazon.com/images/I/61mgN+iXhVL.jpg)
![Redken Extreme Length Treatment Mask | Rinse-Out Hair Mask with Biotin & Castor Oil | For Hair Growth | 8.5 Fl Oz - Image 2](https://m.media-amazon.com/images/I/5184t4cwFyL.jpg)
![Redken Extreme Length Treatment Mask | Rinse-Out Hair Mask with Biotin & Castor Oil | For Hair Growth | 8.5 Fl Oz - Image 3](https://m.media-amazon.com/images/I/713KDi5WxLL.jpg)
![Redken Extreme Length Treatment Mask | Rinse-Out Hair Mask with Biotin & Castor Oil | For Hair Growth | 8.5 Fl Oz - Image 4](https://m.media-amazon.com/images/I/81GepqJqXqL.jpg)
![Redken Extreme Length Treatment Mask | Rinse-Out Hair Mask with Biotin & Castor Oil | For Hair Growth | 8.5 Fl Oz - Image 5](https://m.media-amazon.com/images/I/91ptzkt+kJL.jpg)

## Questions & Answers

**Q: What is the main ingredient in Extreme Length?**
A: All Extreme Length products are infused with biotin as part of its Length Care Complex for longer, stronger hair.

**Q: How does Extreme Length help hair grow longer?**
A: Using the full system reduces breakage by up to 81%*, helping you achieve maximum hair length.

**Q: What is the difference between the Extreme ranges?**
A: Extreme is the professional solution for damaged hair. Extreme Length helps to fortify lengths for 81% less breakage to help grow hair longer, when used as a system. Extreme Bleach Recovery helps restore a healthy touch between lightening services.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Awesome hair product
*by A***E on 17 January 2026*



### ⭐⭐⭐⭐⭐ It’s worth the money!!
*by J***N on 3 February 2026*



### ⭐⭐⭐⭐⭐ Maravilhosa
*by R***A on 15 October 2025*

Essa mas cara é maravilhosa. Trata o couro cabeludo e o cabelo fica uma seda. Pena que é cara

## Frequently Bought Together

- Redken Redken Extreme Length Triple Action Treatment Mask, Rinse-Out Mask With Biotin & Niacinamide
- Redken Extreme Hair Mask For Damanged, Brittle Hair - Fortifies & Strengthens
- Redken One United All-In-One Leave In Conditioner - Multi-Benefit Treatment For All Hair Types, Heat Protectant Spray, Paraben-Free

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**Shop now:** [https://www.desertcart.vu/products/404968121-redken-extreme-length-treatment-mask-rinse-out-hair-mask-biotin](https://www.desertcart.vu/products/404968121-redken-extreme-length-treatment-mask-rinse-out-hair-mask-biotin)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-02-24*