REDKEN Extreme Length Mask
5-minute triple action mask powered by Niacinimide, Biotin, and Castor Oil for longer, stronger hair.
Key Ingredients
- Niacinimide – supports hair strength and reduces breakage
- Biotin – promotes healthy hair growth
- Castor Oil – nourishes and conditions hair
How to Use
Apply to damp hair after washing. Leave on for 5 minutes. Rinse thoroughly with cool water.
| Feature | Detail |
|---|---|
| Application Time | 5 minutes |
| Key Actives | Niacinimide, Biotin, Castor Oil |
| Target Benefit | Longer, stronger hair |
FAQ
Can this mask be used on color-treated hair?
Yes, this mask is suitable for color-treated hair as it is formulated to strengthen and nourish without stripping color.
Does the mask help with hair thickness?
The mask supports stronger hair growth and reduces breakage, which may contribute to a fuller appearance over time.
Is it safe for use on curly or coarse hair?
Please contact customer service

Fiona Chapman –
Used this mask twice a week for four weeks. My hair feels stronger and less prone to split ends. The 5-minute application is convenient and the results are noticeable after a few uses.
Jacob Stewart –
Great for maintaining hair strength. The castor oil gives a nice shine and my hair feels smoother after use. I’d recommend it for anyone with thinning or weak hair.
Benjamin Howard –
After using the mask regularly, I noticed my hair is less frizzy and more resilient. The biotin and niacinimide seem to work well together for strengthening.
Benjamin Taylor –
It works, but I found the results take a few weeks to become visible. Not a quick fix, but consistent use helps build strength over time.
Alexandra Thomson –
Love the convenience of the 5-minute treatment. It fits into my busy routine and my hair has become noticeably more manageable and less breakable.