---
product_id: 434540523
title: "Hair Treatment Mask, Biotin & Castor Seed Oil, For Longer, Stronger Hair, Extreme Length, 250 ml"
price: "€ 121.90"
currency: EUR
in_stock: true
url: https://www.desertcart.fr/products/434540523-hair-treatment-mask-biotin-and-castor-seed-oil-for-longer
store_origin: FR
region: France
---

# Hair Treatment Mask, Biotin & Castor Seed Oil, For Longer, Stronger Hair, Extreme Length, 250 ml

**Price:** € 121.90
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Hair Treatment Mask, Biotin & Castor Seed Oil, For Longer, Stronger Hair, Extreme Length, 250 ml
- **How much does it cost?** € 121.90 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/434540523-hair-treatment-mask-biotin-and-castor-seed-oil-for-longer)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Hair Treatment Mask, Biotin & Castor Seed Oil, For Longer, Stronger Hair, Extreme Length, 250 ml

## Product Details

- **Brand:** Redken
- **Item form:** Liquid
- **Material feature:** Natural
- **Hair type:** Damaged
- **Product benefits:** For longer, stronger hair **On average hair can grow to 6 inch. in a year/ System vs non conditioning shampoo

## Images

![Hair Treatment Mask, Biotin & Castor Seed Oil, For Longer, Stronger Hair, Extreme Length, 250 ml - Image 1](https://m.media-amazon.com/images/I/716HhO-s4QL.jpg)
![Hair Treatment Mask, Biotin & Castor Seed Oil, For Longer, Stronger Hair, Extreme Length, 250 ml - Image 2](https://m.media-amazon.com/images/I/81CDbGK4ffL.jpg)
![Hair Treatment Mask, Biotin & Castor Seed Oil, For Longer, Stronger Hair, Extreme Length, 250 ml - Image 3](https://m.media-amazon.com/images/I/61n3-QnAL4L.jpg)
![Hair Treatment Mask, Biotin & Castor Seed Oil, For Longer, Stronger Hair, Extreme Length, 250 ml - Image 4](https://m.media-amazon.com/images/I/71Rq-AgNL8L.jpg)
![Hair Treatment Mask, Biotin & Castor Seed Oil, For Longer, Stronger Hair, Extreme Length, 250 ml - Image 5](https://m.media-amazon.com/images/I/81jYPeGynEL.jpg)

## Questions & Answers

**Q: Can I leave this treatment on for longer than the 5-minute recommended time?**
A: Our hair experts advise that for best results you leave this treatment on for the 5-minute recommended time.

**Q: How often should I use the treatment?**
A: Our hair experts advise that you should use this product weekly as an intensive treatment within your routine.

**Q: Do I need to use the Extreme Length conditioner with this treatment?**
A: When using this treatment our experts recommend that you compliment your routine with the Extreme Length Shampoo and Sealer only. For daily haircare our expert’s advice that you use the shampoo, conditioner, and sealer only.

**Q: Do I need to use the rest of the Extreme Length range with this treatment?**
A: For optimum results our experts advise that you compliment your routines with the rest of the Extreme Length range.

## Frequently Bought Together

- REDKEN Hair Treatment Mask, Biotin & Castor Seed Oil, For Longer, Stronger Hair, Extreme Length, 250 ml
- REDKEN Acidic Bonding Concentrate Leave-In Treatment, Bond Repair, Heat Protection, Adds Smoothness, Repairs and Protects, 150 ml
- Redken Extreme Length Shampoo 300ml & Conditioner 300ml Duo

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**Shop now:** [https://www.desertcart.fr/products/434540523-hair-treatment-mask-biotin-and-castor-seed-oil-for-longer](https://www.desertcart.fr/products/434540523-hair-treatment-mask-biotin-and-castor-seed-oil-for-longer)

---

*Product available on Desertcart France*
*Store origin: FR*
*Last updated: 2026-01-27*