Genesis Defense Thermique Blowdry Spray

Protect and strengthen your hair with Kérastase Genesis Défense Thermique, a fortifying blow-dry fluid designed for weakened hair prone to falling due to breakage. This lightweight, milky formula delivers heat protection up to 230°C while deeply hydrating and smoothing the hair without weighing it down. Enriched with Edelweiss Native Cells and Ginger Root, it reinforces the hair fibre, reduces breakage, and leaves hair silky-soft with a radiant shine. Ideal for use before heat styling, this luxurious leave-in treatment helps prevent split ends, detangles effortlessly, and provides 24-hour frizz control—even in high humidity. Key Benefits Protects against heat damage up to 230°C Reduces hair fall due to breakage by up to 99.3%* Hydrates and nourishes without heaviness Smooths and detangles for easier styling Provides 24-hour frizz protection Leaves hair shiny, soft, and resilient Read full description

Regular price: $56.80
Regular price: ~~$71.00~~
Sale price: $56.80

Get an instant refund with

Size 150ml

Product variants

Hair Concern

Hair Loss/Fall

Extension Care

Description

Protect and strengthen your hair with Kérastase Genesis Défense Thermique, a fortifying blow-dry fluid designed for weakened hair prone to falling due to breakage. This lightweight, milky formula delivers heat protection up to 230°C while deeply hydrating and smoothing the hair without weighing it down. Enriched with Edelweiss Native Cells and Ginger Root, it reinforces the hair fibre, reduces breakage, and leaves hair silky-soft with a radiant shine.

Ideal for use before heat styling, this luxurious leave-in treatment helps prevent split ends, detangles effortlessly, and provides 24-hour frizz control—even in high humidity.

Key Benefits

Protects against heat damage up to 230°C
Reduces hair fall due to breakage by up to 99.3%*
Hydrates and nourishes without heaviness
Smooths and detangles for easier styling
Provides 24-hour frizz protection
Leaves hair shiny, soft, and resilient

Ingredients

1227736 d aqua / water / eau, cocos nucifera oil / coconut oil, amodimethicone, polyquaternium - 37, phenoxyethanol, propylene glycol dicaprylate/ dicaprate, xylityl glucoside, 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, c240227/1

How to use

Apply 2–4 pumps to towel-dried hair, depending on length and thickness. Distribute evenly from mid-lengths to ends and comb through. Blow-dry or air dry. Can also be used on dry hair to tame frizz and boost shine.

Hurry, only 19 items left in stock!