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Resistance range from Kerastase

Extentioniste Thermique Blow Dry Primer

Our Resistance Extentioniste Thermique blow dry primer protects hair from heat
damage up to 450°F and causes less hair breakage after only one application.
This heat-styling gel cream designed to seal lengths and split ends. Protect hair
from heat up to 450°F to reduce hair breakage for healthy-looking long hair.
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Extend Your Limits Even Further

Our 1st length caring heat protectant for hair.


Kerastase Resistance Extentioniste Thermique Blow Dry Primer

Before & After

Want to learn how to grow your hair long, while keeping it healthy? Slide the arrows left
and right to see the Extentioniste transformation for healthier looking lengths.

Kerastase Resistance Extentioniste Hair Care Collection

Reset. Strengthen. Repeat.

The Extentioniste hair care routine targets roots, lengths and ends. It stimulates the
scalp, then gently detangles lengths while reinforcing and finally sealing
ends for hair that is as full and strong at the tips as it is at the root.
The result is less split ends and healthy hair.

Find Your Nearest Salon

Far more than the place to get your root touch-up or an occasional trim, book an appointment at your nearest Kérastase salon for a complimentary personalized hair diagnosis.

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Your Personal Care

Fusio dose in salon

Fusio-Dose In Salon

Learn about the signature in-salon service that transforms
hair quality in under 5 minutes.

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Diagnose your hair with Kerastase

The Right Products for You

Take the online hair diagnostic to find the best hair care
and treatment mix for your hair.

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