Introducing Thermique

The Secret Weapon For Long, Healthy Hair

So you want long, healthy hair, but you’re addicted to the blowdryer. Not a problem. New Extentioniste Thermique protects hair up to 230℃, reducing breakage by 93%*, so you can feel free to style away. Your hair stays strong while it grows long. Voila!

“*Instrumental test after application of the salon treatment protocol Extentionisteand double application of serum therapist”

The old dilemma goes like this. You’ve decided to grow your hair long, and it’s one step up, two steps back. Because damaged hair means split ends, which means frequent, aggressive haircuts. The secret to growing your hair out successfully is keeping it optimally healthy. If not, your hair never quite reaches its full potential, and a lot of it has to do with your unhealthy relationship with your blowdryer. So do you break up with your hot tools, or keep doing the blowouts and end up with unhealthy hair that cannot grow long?

You don't have to choose. Not anymore.

Maybe we’re a little obsessed with the idea of zero compromise, but we think you should be able to style your hair as you wish, even if you’re trying to grow it long. So we added a new secret weapon to our long hair range, Resistance Extentioniste.

The first leave-in styling primer in the collection, Extentioniste Thermique is a thermo-protectant blowdry and primer gel cream specially formulated for those who want to grow their hair long, keep it healthy and also style it how they wish.

Seal and resurface the hair fiber

Hair instantly smooth, soft and shiny

Heat styling is the biggest threat to long hair hopefuls. It dries the hair out, causing damage, breakage and a rough texture. We infused Extentioniste Thermique with Glaçage Thermo-Ceal, Creatine R™ and Taurine to instantly seal and resurface the hair fiber, protecting it from heat up to 230℃, and reducing breakage by 93% after one single application. Oh and also? It makes hair instantly smooth, soft and shiny.

If you're going to go long, we say, go all the way.

So go ahead and do the big blowout. Do the curling iron, the waving wand, the straightening tool. Have your hair exactly as you like it. In a few months time, it’ll be surprisingly long and shockingly healthy. Especially if you use the strengthening power of the entire Extentioniste care range.

Have a minute?

Watch the video below to see how model Millie Mackintosh takes care of her hair with the Extentioniste Routine, including the new Thermique.

Rendez-vous at the salon

Find your  Long Hair Coach

See your stylist (a.k.a. your hair coach) right away to jumpstart your Training Program for Longer Hair, a three-month journey that gets your hair in shape to reach your long hair goals.

Locator FIND A SALON

Find a Kérastase salon near you to receive your personal diagnosis, discover salon rituals and shop products.