Kérastase
Resistance Strengthening Hair Mask for Extremely Damaged Hair
Highly rated by customers for: , ,

$92.00or 4 payments of $23.00 with or
Size: 6.8 oz/ 200 mL
Standard size
Highlights
All Hair Types
Good for: Damage
Increases Shine
Good for: Dryness
Hydrating
Fresh Scent
About the Product
Item 2127413
Only at Sephora
What it is: A restorative hair mask for extremely damaged hair that intensely strengthens to protect against breakage for smoother, softer hair with enhanced shine.
Hair Type: Medium and Thick
Hair Texture: Straight, Wavy, Curly, and Coily
Hair Concerns:
- Damage/Split Ends/Breakage
- Dryness
- Shine
Key Benefits:
- Strengthens Very Damaged Hair to Prevent Breakage
- Intensely Nourishes and Hydrates
- Smooths and Softens to Restore Hair Elasticity
Highlighted Ingredients:
- Gluco-Peptide: Enters the deepest layers of strands to strengthen existing hair and support growth.
- Wheat Protein Derivative: Smooths and repairs elasticity of damaged hair.
- Native Plant Cells: Ensure intense hydration, reducing the risk of weakened roots and leaving hair soft.
What Else You Need to Know: This repairing hair mask helps strengthen extremely damaged, weak, over-processed, or over-styled hair. Its rich, luxurious formula enters the deepest layers of hair strands to restore elasticity and is recommended by professional stylists to prevent future breakage. Indulge your hair in this renewing formula that leaves hair smooth and soft while providing intense hydration from root to tip.
Hair Type: Medium and Thick
Hair Texture: Straight, Wavy, Curly, and Coily
Hair Concerns:
- Damage/Split Ends/Breakage
- Dryness
- Shine
Key Benefits:
- Strengthens Very Damaged Hair to Prevent Breakage
- Intensely Nourishes and Hydrates
- Smooths and Softens to Restore Hair Elasticity
Highlighted Ingredients:
- Gluco-Peptide: Enters the deepest layers of strands to strengthen existing hair and support growth.
- Wheat Protein Derivative: Smooths and repairs elasticity of damaged hair.
- Native Plant Cells: Ensure intense hydration, reducing the risk of weakened roots and leaving hair soft.
What Else You Need to Know: This repairing hair mask helps strengthen extremely damaged, weak, over-processed, or over-styled hair. Its rich, luxurious formula enters the deepest layers of hair strands to restore elasticity and is recommended by professional stylists to prevent future breakage. Indulge your hair in this renewing formula that leaves hair smooth and soft while providing intense hydration from root to tip.
-Gluco-Peptide: Enters the deepest layers of strands to strengthen existing hair and support growth.
-Wheat Protein Derivative: Smooths and repairs elasticity of damaged hair.
-Native Plant Cells: Ensure intense hydration, reducing the risk of weakened roots and leaving hair soft.
Water, Cetearyl Alcohol, Paraffinum Liquidum / Mineral Oil, Orbignya Oleifera Seed Oil, Dipalmitoylethyl Hydroxyethylmonium Methosulfate, Fragrance, Cetyl Esters, Cetrimonium Chloride, Caprylyl Glycol, Linalool, Citric Acid, 2-Oleamido-1,3-Octadecanediol, Citronellol, Bht, Glycine, Arginine, Proline, Tyrosine, Glutamic Acid, Geraniol, Serine, Hydroxypropyltrimonium Hydrolyzed Wheat Protein, Benzyl Alcohol, Safflower Glucoside, Isoeugenol, Glycerin, Trehalose, Tamarindus Indica Seed Polysaccharide, Myrothamnus Flabellifolia Leaf Extract.
-Wheat Protein Derivative: Smooths and repairs elasticity of damaged hair.
-Native Plant Cells: Ensure intense hydration, reducing the risk of weakened roots and leaving hair soft.
Water, Cetearyl Alcohol, Paraffinum Liquidum / Mineral Oil, Orbignya Oleifera Seed Oil, Dipalmitoylethyl Hydroxyethylmonium Methosulfate, Fragrance, Cetyl Esters, Cetrimonium Chloride, Caprylyl Glycol, Linalool, Citric Acid, 2-Oleamido-1,3-Octadecanediol, Citronellol, Bht, Glycine, Arginine, Proline, Tyrosine, Glutamic Acid, Geraniol, Serine, Hydroxypropyltrimonium Hydrolyzed Wheat Protein, Benzyl Alcohol, Safflower Glucoside, Isoeugenol, Glycerin, Trehalose, Tamarindus Indica Seed Polysaccharide, Myrothamnus Flabellifolia Leaf Extract.
Suggested Usage:
-Use as a conditioner or as a weekly mask.
-Apply generous amount to hair after cleansing with Kérastase’s Resistance Strengthening Shampoo for Extremely Damaged Hair and conditioning with the Resistance Strengthening Conditioner for Extremely Damaged Hair (conditioner is an optional step; each sold separately).
-Massage or comb through mid-lengths and ends to ensure even distribution.
-Leave in for five minutes.
-For curly to coily hair types, place plastic cap over hair.
-Leave on for 30 to 35 minutes for a more intense effect.
-Rinse thoroughly.
-Complete routine with Kérastase’s full Resistance collection for maximum strengthening benefits (sold separately).
-Avoid contact with eyes.
-If contact occurs, rinse immediately and thoroughly.
Pro tip:
-Tilt head to the side.
-Apply the mask from ends toward mid-lengths.
-Avoid applying the product to the scalp.
-Twist hair up into a topknot.
-Allow the mask to absorb.
-Use as a conditioner or as a weekly mask.
-Apply generous amount to hair after cleansing with Kérastase’s Resistance Strengthening Shampoo for Extremely Damaged Hair and conditioning with the Resistance Strengthening Conditioner for Extremely Damaged Hair (conditioner is an optional step; each sold separately).
-Massage or comb through mid-lengths and ends to ensure even distribution.
-Leave in for five minutes.
-For curly to coily hair types, place plastic cap over hair.
-Leave on for 30 to 35 minutes for a more intense effect.
-Rinse thoroughly.
-Complete routine with Kérastase’s full Resistance collection for maximum strengthening benefits (sold separately).
-Avoid contact with eyes.
-If contact occurs, rinse immediately and thoroughly.
Pro tip:
-Tilt head to the side.
-Apply the mask from ends toward mid-lengths.
-Avoid applying the product to the scalp.
-Twist hair up into a topknot.
-Allow the mask to absorb.
Use It With
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As the #1 professional hair care brand worldwide, Kérastase has pioneered luxury care since 1964. Inspired by our intimate knowledge of the modern woman, Kérastase brings together innovative, bespoke products with a professional diagnostic approach to treat each woman’s individual hair needs.

