---
product_id: 305361501
title: "Extreme Length Shampoo & Conditioner, Stronger Hair, 300ml Duo Set"
brand: "redken"
price: "¥16588"
currency: JPY
in_stock: true
category: "Redken"
url: https://www.desertcart.jp/products/305361501-extreme-length-shampoo-and-conditioner-stronger-hair-300ml-duo-set
store_origin: JP
region: Japan
---

# Supports longer, healthier hair growth Castor oil nourishment Biotin-powered strength boost Extreme Length Shampoo & Conditioner, Stronger Hair, 300ml Duo Set

**Brand:** redken
**Price:** ¥16588
**Availability:** ✅ In Stock

## Summary

> 💥 Unlock your hair’s full potential with REDKEN Extreme Length!

## Quick Answers

- **What is this?** Extreme Length Shampoo & Conditioner, Stronger Hair, 300ml Duo Set by redken
- **How much does it cost?** ¥16588 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/305361501-extreme-length-shampoo-and-conditioner-stronger-hair-300ml-duo-set)

## 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

- • **Castor Oil Enrichment:** Deeply nourishes and revitalizes for resilient, smooth hair.
- • **Biotin-Infused Formula:** Supercharge your strands with proven hair-strengthening biotin.
- • **All Hair Types Friendly:** Versatile formula that works seamlessly on every hair texture.
- • **Salon-Quality Results at Home:** Achieve soft, healthy-looking hair that turns heads.
- • **Dual Shampoo & Conditioner Set:** Complete care duo designed for maximum length and strength.

## Overview

REDKEN Extreme Length Shampoo and Conditioner Set combines biotin and castor oil in a powerful duo to promote longer, stronger hair. Suitable for all hair types, this 300 ml set delivers salon-quality nourishment and smoothness, backed by a 4.7-star rating from over 100 users.

## Description

This biotin-infused shampoo and conditioner set helps nourish hair, promoting length and strength. The easy-to-use formula leaves hair soft, smooth, and healthy-looking.

## Features

- Beauty products
- Easy to use
- Good product

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B091JZ6MVT |
| ASIN  | B091JZ6MVT |
| Active Ingredients | Biotin |
| Benefits | Promotes hair growth and strength |
| Best Sellers Rank | 6,266 in Beauty ( See Top 100 in Beauty ) 75 in Shampoo & Conditioner Sets |
| Brand Name | Redken |
| Customer Reviews | 4.7 4.7 out of 5 stars (111) |
| Customer reviews | 4.7 4.7 out of 5 stars (111) |
| Date First Available  | 1 April 2021 |
| Hair Type | All, Damaged |
| Item Form | Liquid |
| Item Highlight | Infused With Biotin, For Longer Hair, Stronger Hair Care, Shampoo & Condition, Hair Care Duo Set, Helps Hair Strength |
| Manufacturer | Redken |
| Manufacturer  | Redken |
| Number of Items | 2 |
| Package Size Name | Duo Set |
| Set Name | Extreme Length Shampoo & Conditioner |
| Special Ingredients | Biotin |
| Unit Count | 600.0 millilitre |

## Product Details

- **Brand:** Redken
- **Hair type:** All, Damaged
- **Item form:** Liquid
- **Product benefits:** Promotes hair growth and strength
- **Special ingredients:** Biotin

## Images

![Extreme Length Shampoo & Conditioner, Stronger Hair, 300ml Duo Set - Image 1](https://m.media-amazon.com/images/I/713nBP0bkuL.jpg)

## Questions & Answers

**Q: How frequently should I use Extreme Length?**
A: Extreme Length is safe for daily use and can be worked into your regular wash routine as often as desired.

**Q: When will I see results from Extreme Length?**
A: Most people experience softer, more manageable, and visibly stronger strands after the first use of Extreme Length. For best results, use both the shampoo and conditioner consistently.

**Q: Does Extreme Length help with hair growth?**
A: Extreme Length Biotin is formulated with biotin, castor oil, and 4% Length Care Complex to strengthen hair, allowing hair to retain the length it grows.

**Q: Does Extreme Length Biotin Conditioner work for oily hair?**
A: Yes. Extreme Length is suitable for oily hair and all hair types and textures. It gently cleanses and nourishes while strengthening hair against breakage.

**Q: Is Extreme Length Biotin Shampoo good for fine or thin hair?**
A: Yes. Extreme Length is suitable for all hair types and textures, including fine and thin hair. The biotin and 1% Length Care Complex strengthen fragile strands without weighing them down.

## Frequently Bought Together

- REDKEN Extreme Length, Shampoo and Conditioner Set, Biotin, for Longer, Stronger Hair, 300 ml
- Redken Extreme Length Leave-In Conditioner For Hair Growth Infused With Biotin

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**Shop now:** [https://www.desertcart.jp/products/305361501-extreme-length-shampoo-and-conditioner-stronger-hair-300ml-duo-set](https://www.desertcart.jp/products/305361501-extreme-length-shampoo-and-conditioner-stronger-hair-300ml-duo-set)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-11*