---
product_id: 444768126
title: "Extreme Length Shampoo 300ml & Conditioner 300ml Duo"
brand: "redken"
price: "¥18375"
currency: JPY
in_stock: true
reviews_count: 8
category: "Redken"
url: https://www.desertcart.jp/products/444768126-extreme-length-shampoo-300ml-and-conditioner-300ml-duo
store_origin: JP
region: Japan
---

# Biotin-powered growth 81% less breakage 600ml duo set Extreme Length Shampoo 300ml & Conditioner 300ml Duo

**Brand:** redken
**Price:** ¥18375
**Availability:** ✅ In Stock

## Summary

> 🌿 Unlock your longest, strongest hair yet with Redken Extreme Length!

## Quick Answers

- **What is this?** Extreme Length Shampoo 300ml & Conditioner 300ml Duo by redken
- **How much does it cost?** ¥18375 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/444768126-extreme-length-shampoo-300ml-and-conditioner-300ml-duo)

## 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

- • **Biotin Boost:** Infused with a potent Length Care Complex featuring biotin and soy protein to strengthen hair from root to tip.
- • **Breakage Be Gone:** Redken’s Extreme Length reduces hair breakage by up to 81%, unlocking your hair’s true growth potential.
- • **All Hair Types Welcome:** Gentle yet effective, this duo is designed to work beautifully on all hair types for universal strength.
- • **Value Meets Performance:** Generous 300ml bottles in a duo pack deliver premium haircare without compromising on budget.
- • **Salon-Quality Nourishment:** Deeply nourishing formula leaves hair feeling fresh, strong, and salon-smooth every day.

## Overview

Redken Extreme Length Shampoo & Conditioner Duo (2 x 300ml) is a biotin-enriched haircare system designed to reduce breakage by up to 81%, promoting longer, stronger hair. Featuring a Length Care Complex with biotin and soy protein, it strengthens hair from roots to ends, suitable for all hair types, and delivers salon-quality nourishment in a convenient duo pack.

## Description

Product Description DISCOVER EXTREME WITH BIOTIN & LENGTH CARE COMPLEX 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. Deeply nourishing formula Features Redken's Strength Complex which strengthens and fortifies hair. REDKEN | Extreme MEET THE EXTREME HEROES 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 set leaves hair feeling like you've just come out the salon - Lovely smells and leaves hair feeling nice
Review: Good value - Best shampoo and conditioner at a reasonable price!

## Features

- Redken Extreme Length Shampoo 300ml & Conditioner 300ml Duo
- product type: HAIR CLEANER CONDITIONER
- Brand: Redken
- Size: 300 ml Pack of 2

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09YHXBQD8 |
| Benefits | Strengthening |
| Best Sellers Rank | 4,503 in Beauty ( See Top 100 in Beauty ) 53 in Shampoo & Conditioner Sets |
| Brand | Redken |
| Brand Name | Redken |
| Country Of Origin | Spain |
| Customer Reviews | 4.6 out of 5 stars 182 Reviews |
| Global Trade Identification Number | 05056182312542 |
| Hair Type | All |
| Hair type | All |
| Item Form | Liquid |
| Item Weight | 0.67 Kilograms |
| Item form | Liquid |
| Manufacturer | Redken |
| Material Type Free | Aluminium Free |
| Number of Items | 2 |
| Product benefits | Strengthening |
| Special Ingredients | Water |
| Special ingredients | Water |
| Unit Count | 600.0 millilitre(s) |

## Product Details

- **Brand:** Redken
- **Hair type:** All
- **Item form:** Liquid
- **Material Type Free:** Aluminium Free
- **Product benefits:** Strengthening

## Images

![Extreme Length Shampoo 300ml & Conditioner 300ml Duo - Image 1](https://m.media-amazon.com/images/I/71Hq7z-LE2L.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: Did the formula change in the new Extreme Length?**
A: No, this is the same formula upgraded to new packaging.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Lovely set leaves hair feeling like you've just come out the salon
*by S***0 on 25 September 2025*

Lovely smells and leaves hair feeling nice

### ⭐⭐⭐⭐⭐ Good value
*by A***4 on 1 August 2025*

Best shampoo and conditioner at a reasonable price!

### ⭐⭐⭐⭐ Small
*by K***Y on 18 January 2026*

Way smaller than I anticipated but does work! Smells pretty good too and has a wonderful consistency Nice feel on the hair too, the shampoo isn't stripping and makes my scalp clean it's pretty gentle and effective, and the conditioner makes my hair smooth and silky

## Frequently Bought Together

- Redken Extreme Length Shampoo 300ml & Conditioner 300ml Duo
- REDKEN Sealer, Biotin & Almond Oil, Decreases Breakage & Split Ends, Extreme Length, 150 ml
- REDKEN Leave-In Treatment, Reduces Appearance of Split Ends, Extreme Anti Snap

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**Shop now:** [https://www.desertcart.jp/products/444768126-extreme-length-shampoo-300ml-and-conditioner-300ml-duo](https://www.desertcart.jp/products/444768126-extreme-length-shampoo-300ml-and-conditioner-300ml-duo)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-27*