Kérastase

Genesis

Défense Thermique

Heat Protection | Anti-Breakage Care | Lightweight Styling

$50.00


Size: 150ml

Delivered your way—pickup, local drop-off, or shipping
Salon Professional
Authentic Guarantee

Protects From Heat

Helps protect weakened hair during blow-drying and heat styling.

Reduces Breakage

Supports fragile lengths and helps reduce breakage from daily styling.

Smooths & Detangles

Leaves hair softer, smoother, and easier to style without a heavy finish.

Designed For

Weakened hair prone to breakage that needs heat protection, frizz control, and lightweight blow-dry care.

Key Ingredients

Dual-Action Fortifying System — Supports weakened hair and helps reduce hair fall due to breakage from brushing.
Ginger Root Extract — Helps protect hair against daily external aggressors.
Caffeine + Arginine — Help support the scalp and weakened hair fiber for stronger-feeling hair.

How to Use

1. Apply evenly to clean, towel-dried hair.
2. Focus on mid-lengths and ends before blow-drying.
3. Comb through for even distribution.
4. Blow dry or style as desired.

Use as the protect step in your Genesis strengthening routine.

Complete Your Routine

Build your complete routine for healthier-looking hair, tailored to your needs.

Designed for weakened hair prone to breakage, Défense Thermique is a lightweight leave-in blow-dry spray that helps protect against heat, smooth frizz, and strengthen the feel of fragile hair. It supports easier styling while leaving hair soft, polished, and touchable.
Ingredients may change from time to time. Please refer to product packaging for the most up-to-date ingredient listing. 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
Orders typically ship within 1–2 business days. Returns are accepted in accordance with our Shipping & Returns policy.
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