Kerastase Résistance Masque Extentioniste Hair Mask
Length strengthening hair mask for slow growing, damaged lengths.
Masque Extentioniste is a deep conditioning hair mask for dry damaged hair in need of hair repair. Enriched with Ceramides and Acid Maleic, this at home hair mask instantly infuses weak hair with active and healing particles that strengthens damaged hair and stimulates a healthy scalp environment. Infused with the amino acid Creatine, this hair growth mask penetrates deep to reinforce the internal structure of the hair fiber allowing for healthier growth. Our best hair mask for dry damaged hair in need of revitalization, protection against future hair breakage, and hair growth.
| Key Ingredients | Ceramides, Acid Maleic, Creatine |
|---|---|
| Target Concerns | Damaged lengths, dry hair, weak hair structure |
| Benefits | Strengthens hair, repairs damage, improves scalp health, supports healthy hair growth |
FAQ
How often should I use the Masque Extentioniste hair mask?
For best results, use once every 1-2 weeks depending on hair condition and damage level.
Does this mask help with hair growth in slow-growing areas?
Yes, the mask penetrates deeply to reinforce the internal structure of the hair fiber, supporting healthier growth over time.
Can this mask be used on color-treated hair?
Please contact customer service

Natalie King –
After using this mask regularly for three weeks, my damaged ends feel stronger and less prone to breaking. The texture is rich but easy to apply, and my hair looks healthier overall. I notice less frizz and better manageability.
Blake Peters –
It’s effective for repairing dry, brittle ends. I apply it once a week after washing. My hair feels softer and more resilient, especially at the tips.
Justin Abraham –
I have slow-growing hair with thinning ends. This mask has helped improve the strength of my hair and reduced split ends. It’s a must-have in my routine.
Heather Smith –
It works well, but I need to leave it on for longer than the recommended time to see noticeable results. The scent is mild and not overpowering.