Price: $68.00
(as of Mar 04, 2026 11:57:00 UTC – Details)
Product description
Strengthening Care for Damaged Hair
Resistance Extentioniste
Rebuild weak and damaged hair lengths while restoring the hair fiber. Resistance strengthens the hair to help repair the effects of heat styling and prevent hair breakage in over-processed hair
Expert Formulas
Powered by Creatine R & Ceramides
Creatine R: Reinforce hair fiber structureCeramides: Strengthen hair, add shine & moisture 
Fusio-Dose
Professional In-Salon Treatment
Instant Transformation, Infinite Possibilities.
In-Salon Service
Your appointment
Make an appointment in your Kérastase salon for a personalized hair diagnosis.
1 Discover
2 Fusio-Dose
3 In-Salon Service
Discover Resistance Force Architecte
Extentioniste Shampoo
Supports healthy hair lengthsProtects hair fiber from external aggressorsStimulates scalp
Extentioniste Conditioner
Supports healthy hair lengthsEasily detangles hairSeals split ends
Extentioniste Mask
Strengthen & supports healthy hair lengthsEasily detangles hairSeals split ends
Extentioniste Thermique Blow Dry Primer
Less hair breakage from blow dryingSupports healthy hair lengths & seals split endsHeat protectant with 450°F thermo-protection
Extentioniste Scalp & Hair Serum
Supports healthy hair lengthsSoothing texture for itchy scalpEssential nutrition for healthy hair
What is the difference between Resistance Force Architecte, Extensioniste, and Therapiste?
The main difference between these ranges is the level and type of hair damage. Resistance Extentioniste is ideal for slow growing, damaged hair lengths
What is the key ingredient in the Resistance Extentioniste range?
The key ingredient is Creatine R, an exclusive complex composed of Creatine an amino acid that reinforces the internal structure of the hair fiber.
Is this product safe for color-treated hair?
Yes, this product is safe for color-treated hair
Explore The Resistance Extentioniste Collection
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Customer Reviews
4.6 out of 5 stars 6,554
4.5 out of 5 stars 3,468
4.6 out of 5 stars 2,901
4.7 out of 5 stars 1,525
4.4 out of 5 stars 2,155
Price
$46.00$46.00
$50.00$50.00
$68.00$68.00
$50.00$50.00
$64.00$64.00
Hair Type
Weakened hair seeking length
Weakened hair seeking length
Weakened hair seeking length
Weakened hair seeking length
Weakened hair seeking length
Purpose
Length strengthening shampoo
Length conditioner
Length strengthening mask
Length strengthening primer
Energizing leave-in hair serum
Benefit
Support lengths, protect fiber
Support lengths, detangle
Support lengths, detangle
Support length, seal split end
Support lengths, soothe scalp
Key Ingredient
Creatine R
Creatine R
Gluco Peptide
Creatine R
Creatine R
Usage
Can be used daily
Can be used daily
Few times a week, or as needed
Use before blow dry or styling
At least 3 times a week
Is Discontinued By Manufacturer : No
Product Dimensions : 3.74 x 3.74 x 2.87 inches; 7.41 ounces
Item model number : 3474636613168
Manufacturer : Kerastase
ASIN : B07D594C5K
Best Sellers Rank: #73,260 in Beauty & Personal Care (See Top 100 in Beauty & Personal Care) #414 in Hair Treatment Masks
Customer Reviews: 4.6 4.6 out of 5 stars (2,901) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
Extentioniste Hair Mask: Restorative treatment designed to boost hair growth and strengthen the lengths of hair back to health. Brittle & damaged hair is fortified and left with a soft and shiny finish
Benefit: After using, split ends are repaired and breakage is prevented allowing hair to reach new lengths. Through hydrating deeply, mask will reduce the risk of weakened roots and revitalize hair
Additional Benefit: Enriched with Gluco Peptide, Wheat Protein, and Native Plant Cells; it targets the heart of the hair fiber to strengthen existing hair, stimulate growth, and restore smoothness
Suggested Use: After washing and rinsed out hair, towel dry-hair to remove excess water. Apply a quarter size amount to wet hair, working from mid-length to ends. Leave on for 5-10 minutes, then rinse
Resistance Collection: For weakened hair seeking healthy lengths use with Extentioniste Shampoo and Conditioner. Together products will create strengthened hair with reduced breakage and sealed split ends