

Kerastase Défense Thermique Blow Dry Primer 5.1 oz
Key item features
- Sulfate-free spray on formula.
- Imparts a silky shine to locks.
- Reduces brushing breakage.
- Achieve salon-worthy results at home with just one product
Specs
- BrandKérastase
- Hair typeAll Hair Types
- Ingredient preferenceSulfate-Free
- Size10.000
- Product net content parent0.5 Pound
- Product net content uomPound
Reviews summary
- : Has a fragrance that lingers without being overpowering.
- : Provides reliable protection up to high temperatures.
- : Helps reduce frizz after blow-drying or styling.
- : Absorbs into hair in 1-2 minutes.
- Free shipping
Free 30-day returns
How do you want your item?
About this item
Product details
- Sulfate-free spray on formula.
- Imparts a silky shine to locks.
- Reduces brushing breakage.
- Achieve salon-worthy results at home with just one product
Specifications
Brand
Hair type
Ingredient preference
Size
Directions
Instructions
Warranty
Warranty information
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Ingredients
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 • Behentrimoniumchloride • 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. C240227/1.
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Customer ratings & reviews
Reviews summary
- : Has a fragrance that lingers without being overpowering.
- : Provides reliable protection up to high temperatures.
- : Helps reduce frizz after blow-drying or styling.
- : Absorbs into hair in 1-2 minutes.
Customer images






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Showing 1-3 of 1,130 reviews
Seller Verified Purchase
Essential in My Hair Care Routine.
[This review was collected as part of a promotion.] Genesis Défense Thermique by Kérastase exceeded my expectations. It's an excellent product: it leaves the hair soft, silky, and very manageable from the very first application. I've also noticed that it significantly reduces friction while detangling, which helps prevent breakage and makes the styling process much easier.
Seller Verified Purchase
Perfect protection
[This review was collected as part of a promotion.] I love this kerastase protecting spray that sort of laminates the hair inorder to protect it from the heat of blow drying. It gives the hair smoother and glossy finish. I don't.style my.hair without applying it first to make sure my hair is safe from damage caused by frequent styling and blow drying.
Seller Verified Purchase
Perfect Heat Protection Without Weighing Hair Down
The Genesis Defense Thermique Heat Protecting Spray is amazing. I use it before blow-drying or heat styling, and it leaves my hair feeling soft, smooth, and protected—never sticky or heavy. I've noticed less breakage and frizz, and my hair looks healthier and shinier after styling. It detangles beautifully and helps my hair feel stronger, especially at the ends. Plus, the scent is light and luxurious, just like a salon experience at home. This spray gives me confidence using heat on my hair while keeping it looking and feeling healthy. I highly recommend it if you want protection without sacrificing softness or volume.
