Kérastase Résistance Extentioniste Thermique blow-dry care, length caring gel cream, 150ml tube, green packaging.
Kérastase Length Caring Gel Cream for Blow-Dry Care and Healthy-Looking Lengths
Applying Kérastase Resistance hair care treatment to hand for revitalized, healthy hair.
Kerastase Resistance Extentioniste Thermique heat protection serum reduces breakage, seals split ends, and protects against heat damage
Skincare ingredients creatine, taurine, and ceramide in close-up detail circles to enhance skin health and hydration.
Woman with long healthy hair using Extentioniste hair products for length reinforcement and cuticle sealing.
Kérastase Resistance hair care products for damaged hair, shampoo, conditioner, and treatment set on a marble surface.
Kérastase hair care products – Nutritive and Resistance shampoo and conditioner tubes – professional hair treatment products

Thermique Extentioniste

Regular price$43.00 USD
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Shipping calculated at checkout.
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  • In stock, ready to ship
  • Authorized Kerastase Retailer
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Due to the Canada Post strike, we're shipping with alternative carriers to ensure all packages arrive on time.

A heat-protecting leave-in cream that seals split ends, strengthens, and prevents damage in mid-lengths and ends to improve overall hair health.

Hair Type

Straight, Wavy, Curly, and Coily

Hair Texture

Fine, Medium, and Thick

Hair Concerns
  • Heat Protection
  • Straightening and Smoothing
  • Damage, Split Ends, and Breakage
Key Benefits
  • Strengthens to Support Healthy Hair Lengths
  • Prevents Breakage and Seals Split Ends
  • Protects From Heat Damage Up to 450 Degrees Fahrenheit
Highlighted Ingredients
  • Creatine-R: Reinforces hair structure to intensely strengthen.
  • Ceramides: Enhance moisture retention and hair elasticity to promote shine.
  • Taurine: Promotes a stimulated and healthy scalp.
Additional Information

Hair lengths, also known as the mid-section between the root and tip of each hair strand, are key contributors to healthy hair. Strong lengths help to prevent breakage and split ends for visibly longer hair. This must-have leave-in treatment is loved by stylists for smooth, healthy-looking hair. Its creamy formula is designed to reduce breakage, seal split ends, and protect against heat up 450 degrees Fahrenheit to prevent damage from styling tools. It is recommended by professional stylists as the perfect addition to any healthy hair care routine for intense strengthening care.

Ingredients
  • Creatine-R: Reinforces hair structure to intensely strengthen.
  • Ceramides: Enhance moisture retention and hair elasticity to promote shine.
  • Taurine: Promotes a stimulated and healthy scalp.
  • Water, Isopropyl Myristate, Dimethicone, Triethanolamine, Amodimethicone, Phenoxyethanol, Carbomer, Polyquaternium-4, Potato Starch Modified, Hydroxypropyl Guar, Behentrimonium Chloride, Trideceth-6, Amyl Cinnamal, Hexyl Cinnamal, Isopropyl Alcohol, Benzyl Alcohol, Linalool, Hydroxycitronellal, Cetrimonium Chloride, Citronellol, Limonene, Benzyl Cinnamate, Creatine, 2-Oleamido-1,3-Octadecanediol, Taurine, Parfum, Fragrance.
How to Use

Suggested Usage:

  • After shampooing and conditioning with Kérastase’s Resistance Strengthening Shampoo and Conditioner for Lengths and Ends (each sold separately), apply to clean, towel-dried hair.
  • For fine hair, use a nickel-size amount.
  • For medium hair, use a quarter-size amount.
  • For thick hair, use a half-dollar-size amount.
  • Massage onto lengths and ends.
  • Do not rinse.

We understand the importance of using genuine beauty products. That's why we're proud to be an authorized retailer for all the brands we carry. When you shop with us, you can be sure you're getting fresh, authentic products delivered directly from the brands themselves.

Why Choose Authorized Retailers?

Unfortunately, counterfeit and expired products are a real concern online. Shopping with unauthorized sellers puts you at risk of receiving ineffective or even harmful cosmetics.

Here's why Boutique Deauville is your trusted source for beauty essentials:

  • Guaranteed Authenticity: We source directly from brands, ensuring you receive only genuine products.
  • Fresh Inventory: Regular shipments mean you get the latest formulations with optimal shelf life.
  • Safe & Effective: Avoid the risks associated with counterfeit or expired cosmetics.

Please note: due to the Canada Post strike, we are using alternative carriers.

Deliveries of our packages are made without a signature. During checkout, you can add a signature for $5 if your order is less than $299. Orders $299+ will all be shipped with a Signature Included.

  • All orders are shipped using UPS or Canada Post
  • Orders will be processed within 1-2 business days, Monday to Friday.
  • Shipping can take up to 7 business days to receive depending on your location.
  • You will be notified within 24 hours of any order issues that may occur

Peak Times Disclaimer:

  • During peak times like Holidays and promotions such as Black Friday and Boxing Day, due to high order volume, your items may take longer.

If you entered your address incorrectly when making your order, we are not liable. Don't forget to enter the right shipping information!

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