Kerastase Resistance Hair Mask 6.8 oz
- 200 ml / 6.8 fl oz jar
- Leave on 5-10 minutes, can be used daily
- Wheat protein and native plant cells
- For very damaged, over-processed hair
- Vegan, floral scent
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A strengthening mask for badly damaged, over-processed hair that repairs the fiber and cuts breakage. It is a treatment for very damaged hair, so healthy hair gains little from it.
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ASIN: B01KNWQW3ICategory: Hair Masks
Overview
Not a light daily conditioner but a repair mask for very damaged hair, Kerastase Resistance Therapiste works from mid-lengths to ends. A gentle texture penetrates the fiber to rebuild structure while you leave it on for a few minutes.
Bleached, over-processed hair that snaps easily is where this mask makes a difference, restoring strength and smoothness. The growth claim in the listing is vague and unproven, so buy it for repair rather than regrowth.
Who it's for
Hair damaged by bleach, chemical services or heavy heat is the target. People with healthy, untreated hair or a sensitivity to floral fragrance should look elsewhere.
Pros and cons
- Repairs and strengthens damaged fiber
- Gentle enough for daily use
- Wheat protein for flexible repair
- Growth claim is vague
- Floral scent may not suit everyone
- Specs list odd dimensions
Performance notes
Repair depends on letting the mask sit for the full leave-on window so the proteins penetrate the fiber. Working it strand by strand from mid-length to ends puts it where damage concentrates. Regular use builds strength over time.
Specifications
| Brand | Kerastase |
|---|---|
| Dimensions & fit | |
| Item weight | 210 g |
| Item Dimensions | 44.49 x 28.19 x 3.46 inches |
| Size | 6.8 Fl Oz (Pack of 1) |
| Capacity & performance | |
| Liquid Volume | 200 ml / 6.8 fl oz |
| Age Range Description | Adult |
| Construction & materials | |
| Material Features | Vegan |
| Included components | |
| Package Type Name | Jug |
| Unit Count | 6.8 Fluid Ounces |
| Other details | |
| Hair Type | Very damaged, over-processed |
| Special Ingredients | Wheat protein, native plant cells |
| Scent Name | Floral |
| Hair Conditioner Type | Repairing mask |
| Product Benefits | Repairs from root to tip, improves strength, prevents breakage |
| Suggested Use | Quarter size amount on wet hair, 5-10 minutes, rinse |
| Additional Features | Nourishing, Strengthens |
| Item Form | Liquid |
| Recommended Uses For Product | B01KNWQW3I |
Frequently asked questions
What comes with Kerastase Resistance Therapiste mask?
One 200 ml (6.8 fl oz) container of mask. No shampoo or conditioner is included; the listing suggests pairing it with the Resistance Extentioniste range.
How long do I leave Kerastase Therapiste on?
Apply a quarter size amount to wet hair, work through mid-length to ends, leave on for 5-10 minutes, then rinse.
Can I use Kerastase Therapiste every day?
Yes. The listing says it can be used daily.
Will Kerastase Therapiste grow hair?
The listing mentions technology to encourage new growth but gives no evidence. Its stated job is repairing damaged hair.