---
product_id: 307927976
title: "REDKEN Shampoo, Biotin, For Longer, Stronger Hair, Extreme Length"
brand: "redken"
price: "€ 43.30"
currency: EUR
in_stock: true
reviews_count: 13
category: "Redken"
url: https://www.desertcart.pt/products/307927976-redken-shampoo-biotin-for-longer-stronger-hair-extreme-length
store_origin: PT
region: Portugal
---

# Biotin + Soy Protein Strength Complex 81% less breakage Up to 6 inches growth/year REDKEN Shampoo, Biotin, For Longer, Stronger Hair, Extreme Length

**Brand:** redken
**Price:** € 43.30
**Availability:** ✅ In Stock

## Summary

> 📏💪 Grow Strong, Shine Long – Because Your Hair Deserves the Extreme!

## Quick Answers

- **What is this?** REDKEN Shampoo, Biotin, For Longer, Stronger Hair, Extreme Length by redken
- **How much does it cost?** € 43.30 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/307927976-redken-shampoo-biotin-for-longer-stronger-hair-extreme-length)

## 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

- • **Root-to-Tip Power:** Biotin and Soy Protein work synergistically to fortify every strand from scalp to ends.
- • **Breakage? Not Here!:** Redken’s formula reduces hair breakage by a staggering 81%, locking in your length goals.
- • **Damage Defense System:** Specifically designed for damaged hair, this shampoo nourishes deeply while smoothing frizz.
- • **Green Apple Freshness:** Enjoy a refreshing, energizing scent that elevates your daily haircare ritual.
- • **Length Goals Unlocked:** Achieve up to 6 inches of longer, stronger hair in just one year with consistent use.

## Overview

Redken Extreme Length Shampoo with Biotin is a scientifically formulated haircare solution designed to reduce breakage by up to 81% and promote up to 6 inches of hair growth per year. Infused with a powerful Length Care Complex featuring Biotin and Soy Protein, it strengthens damaged hair from root to tip while delivering a fresh green apple scent. Ideal for all hair colors and types, this shampoo transforms fragile strands into resilient, longer locks, making it a must-have for anyone serious about hair health and length.

## Description

From the manufacturer DISCOVER EXTREME Get Longer Hair Does your hair have trouble growing longer due to damage? Redken's Extreme Length system with Biotin helps hair grow longer by preventing breakage and keeping mid-lengths to ends of the hair strong. This haircare system features Redken's Length Care Complex made with Biotin and Soy Protein. This system strengthens from your roots to the tips of your hair to help it continue to grow and reduces hair breakage by 81% when used as a complete system. Discover the range The Extreme haircare collection products address every type of hair damage & breakage. Discover the range The Extreme haircare collection products address every type of hair damage & breakage. Deeply nourishing formula Features Redken's Strength Complex which strengthens and fortifies hair. Deeply nourishing formula Features Redken's Strength Complex which strengthens and fortifies hair. REDKEN | Extreme MEET THE EXTREME HEROES Choose your products Shampoo Product type 3-in-1 Shampoo All hair types Hair type Biotin Key Ingredient Malt Strengthens Benefits All-in-one product Less breakage Results Strengthens hair Damaged Citric Acid Repairs breakage Frizzy Babassu Oil Adds Shine Smooths Frizzy Hair Foam Shampoo Curly & Wavy Curl Memory Complex Lightweight cleanser Curl definition Brews Learn More Extreme Learn More Frizz Dismiss Learn More Curvaceous Learn More Other products you might like Scalp Relief Hair Cleansing Cream Velvet Gelatine 14 One United ABC Shampoo ABC Conditioner ABC Lotion What is the main ingredient in Extreme Length? All Extreme Length products are infused with biotin as part of its Length Care Complex for longer, stronger hair. What is the main ingredient in Extreme Length? All Extreme Length products are infused with biotin as part of its Length Care Complex for longer, stronger hair. How does Extreme Length help hair grow longer? Using the full system reduces breakage by up to 81%*, helping you achieve maximum hair length. How does Extreme Length help hair grow longer? Using the full system reduces breakage by up to 81%*, helping you achieve maximum hair length. Did the formula change in the new Extreme Length? No, this is the same formula upgraded to new packaging. Did the formula change in the new Extreme Length? No, this is the same formula upgraded to new packaging.

Review: Lovely bottle - Smells great
Review: Expensive but worth it! - Expensive but worth it! Leaves hair healthy and smooth, especially when teamed with the conditioner

## Features

- Extreme length is a length strengthening haircare system that fortifies damaged hair and reduces breakage to help achieve maximum hair length

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08Y1DBGQ4 |
| ASIN  | B08Y1DBGQ4 |
| Active Ingredients | Aqua |
| Age Range Description | Adult |
| Batteries  | 1 A batteries required. |
| Benefits | Helps achieve maximum hair length, up to 6 inches of growth in one year. Fortifies and strengthens hair for 81% less breakage* and it promotes healthy, strong hair from root to tip. |
| Best Sellers Rank | 1,388 in Climate Pledge Friendly ( See Top 100 in Climate Pledge Friendly ) 203 in Shampoos (Beauty) 1,388 in Climate Pledge Friendly: Shop All |
| Brand Name | Redken |
| Country Of Origin | Spain |
| Country of origin  | Spain |
| Customer Reviews | 4.5 4.5 out of 5 stars (4,079) |
| Customer reviews | 4.5 4.5 out of 5 stars (4,079) |
| Date First Available  | 25 Mar. 2021 |
| Global Trade Identification Number | 03474636920211 |
| Hair Type | Damaged |
| Is discontinued by manufacturer  | No |
| Item Dimensions | 6.4 x 6.4 x 14.1 centimetres |
| Item Form | Liquid |
| Item Weight | 300 Grams |
| Item model number  | E3460800 |
| Liquid Volume | 300 Millilitres |
| Manufacturer | REDKEN |
| Manufacturer  | REDKEN |
| Manufacturer Part Number | E3460800 |
| Material Type Free | Chemikalienfrei |
| Model Number | E3460800 |
| Number of Items | 1 |
| Other Special Features of the Product | Damaged |
| Product Dimensions  | 6.36 x 6.4 x 14.15 cm; 300 g |
| Recommended Uses For Product | Apply to wet hair, massage into lather and rinse. |
| Scent Name | Green Apple |
| Suitable Hair Colour | All Hair Colours |
| Unit Count | 1 count |

## Product Details

- **Age range (description):** Adult
- **Brand:** Redken
- **Hair type:** Damaged
- **Item form:** Liquid
- **Scent:** Green Apple

## Images

![REDKEN Shampoo, Biotin, For Longer, Stronger Hair, Extreme Length - Image 1](https://m.media-amazon.com/images/I/510NsL+rBPL.jpg)
![REDKEN Shampoo, Biotin, For Longer, Stronger Hair, Extreme Length - Image 2](https://m.media-amazon.com/images/I/51uBlqbk4iL.jpg)
![REDKEN Shampoo, Biotin, For Longer, Stronger Hair, Extreme Length - Image 3](https://m.media-amazon.com/images/I/6172M8IgOxL.jpg)
![REDKEN Shampoo, Biotin, For Longer, Stronger Hair, Extreme Length - Image 4](https://m.media-amazon.com/images/I/61SrrX3iWJL.jpg)
![REDKEN Shampoo, Biotin, For Longer, Stronger Hair, Extreme Length - Image 5](https://m.media-amazon.com/images/I/61JO78MkplL.jpg)

## Available Options

This product comes in different **Size** options.

## 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: Did the formula change in the new Extreme Length?**
A: No, this is the same formula upgraded to new packaging.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Lovely bottle
*by D***D on 15 January 2026*

Smells great

### ⭐⭐⭐⭐⭐ Expensive but worth it!
*by E***N on 19 August 2025*

Expensive but worth it! Leaves hair healthy and smooth, especially when teamed with the conditioner

### ⭐⭐⭐⭐⭐ Very good shampoo if you want your hair to grow faster
*by I***Y on 20 December 2025*

Bottle lasts for a long time, already repurchased another one

## Frequently Bought Together

- REDKEN Shampoo, Biotin, For Longer, Stronger Hair, Extreme Length
- Redken Extreme Length Leave-In Conditioner For Hair Growth Infused With Biotin
- REDKEN Conditioner, For Damaged Hair, Protein, Strength Repair, Extreme

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**Shop now:** [https://www.desertcart.pt/products/307927976-redken-shampoo-biotin-for-longer-stronger-hair-extreme-length](https://www.desertcart.pt/products/307927976-redken-shampoo-biotin-for-longer-stronger-hair-extreme-length)

---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-03-13*