Blow-dry without the breakage. Kérastase Genesis Défense Thermique is a fortifying, milky blow-dry fluid for weakened hair prone to falling due to breakage from brushing. It protects against heat up to 220°C (428°F), detangles and hydrates, and keeps frizz away for up to 24 hours, even in high humidity. Leave-in. 150 ml. Trusted by stylists worldwide.
Key Ingredients, Explained
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Edelweiss native cells: Antioxidant plant cells from the Alpine flower that can survive extreme conditions. They help protect the scalp and strengthen the hair fibre.
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Ginger root: Helps protect hair and scalp from daily external aggressors and supports resilience.
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Coconut oil: Softens and adds slip for easier brushing.
Why We Love It
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Immediate softness* and heat protection up to 220°C.
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99.3% less breakage** and 88% more hydrated hair***.
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24-hour frizz protection, even in humid weather.
*Kérastase instrumental test, after application of Défense Thermique. **Kérastase instrumental test, broken hair after 1 application compared with a classic shampoo. ***Kérastase instrumental test, compared with before application.
Best For
Blow-drying or air-drying weakened, breakage-prone hair, and taming frizz.
How to Use
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On towel-dried hair: spray 2 to 4 pumps through the lengths, depending on length and thickness.
- Comb through to distribute evenly. Do not rinse.
- Blow-dry, air-dry or style as usual.
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On dry hair: mist lightly over the lengths as a finishing touch to tame frizz and boost shine.
Pro Stylist Tip
Lower your dryer temperature slightly on fragile hair for even less breakage.
Ingredients
Aqua / Water / Eau, Cocos Nucifera Oil / Coconut Oil, Amodimethicone, Polyquaternium-37, Phenoxyethanol, Propylene Glycol Dicaprylate/Dicaprate, Xylitylglucoside, Sodium Hydroxide, Anhydroxylitol, Xylitol, Dimethicone PEG-7 Phosphate, PPG-1 Trideceth-6, Trideceth-6, Behentrimonium Chloride, Limonene, Xylose, Ethylhexylglycerin, Sorbitan Oleate, Linalool, Isopropyl Alcohol, Cetrimonium Chloride, Glycerin, Hydrolyzed Vegetable Protein PG-Propyl Silanetriol, Benzyl Salicylate, Coumarin, Zingiber Officinale Root Extract / Ginger Root Extract, Citral, Benzyl Alcohol, Citronellol, Benzyl Benzoate, Leontopodium Alpinum Callus Culture Extract, Potassium Sorbate, Tocopherol, Citric Acid, Xanthan Gum, Dipeptide Diaminobutyroyl Benzylamide Diacetate, Parfum / Fragrance.
Ingredient lists can change. Always check the packaging of your product.
Frequently Asked Questions
Can I flat iron after?
Yes. It protects up to 220°C, so apply it before any heat styling.
Will it weigh hair down?
No. It hydrates without weighing hair down.
Is it for fine hair?
Yes. Start with 2 pumps.
Is it paraben-free?
Yes. It's paraben-free, 94% natural origin, and made in a factory using 100% renewable energy.
Where can I buy Kérastase in Alberta?
Online at denimandsmith.com, shipped from Calgary, or at any Denim & Smith location across Calgary, Edmonton, Cochrane, Okotoks and Rocky View.
