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Hairdressers/training program

Go Long

Growing your hair long takes dedication, but when it’s time to get in shape for the season, you’re not alone. The Extentioniste program is like spring training, and your hairdresser is your coach. Now it’s time to get serious about your long hair goals.

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Go Long 1 Article Kérastase

Watch Diipa Büller-Khosla starts her at-home training with Extentioniste.

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Go Long 2 Article Kérastase
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Rendez-vous at the salon

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.


Your Personal Care

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Fusio-Dose In Salon

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

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The Right Products for You

Take the hair diagnosis quiz to find the best product mix for your hair wishes.


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