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Resistance Extentioniste Hair Care For Longer Hair

Resistance Extentioniste Hair Care

Exceptional hair knows no limits. Extend your hair limits with our first 90 day hair
program designed to optimize and reinforce the length of damaged hair.
Kerastase Resistance Extentioniste Hair Care Emily Ratajkowski

Want 99% less breakage & 78% less split ends*

Tired of asking your stylist for a trim in order to keep your hair healthy? Extentioniste targets hair fiber from root to tip to keep it fortified while repairing split ends and breakage.

*After one application of the routine: Bain Extentioniste + Soin N°1 + Soin N°2 + Sérum Thérapiste vs. non-conditioning shampoo

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Kerastase Resistance Bain Extentioniste Shampoo

Bain Extentioniste

Length strengthening shampoo for slow growing, damaged lengths.

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Kerastase Resistance Fondant Extentioniste Conditioner

Fondant Extentioniste

Length strengthening conditioner for slow growing, damaged lengths.

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Kerastase Resistance Masque Extentioniste Hair Mask

Masque Extentioniste

Length strengthening masque for slow growing, damaged lengths.

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Kerastase Resistance Serum Extentioniste Hair Serum

Serum Extentioniste

Strengthening scalp and hair serum for stronger fiber from the roots.

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Reset. Strengthen. Repeat.

Meet Millie Mackintosh, our influencer and bride to be! With Extentioniste's 90 day hair training program, Millie's hair is stronger and longer for her big day.

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Discover Our Hair Care Collections

Discover Our Hair Care Collections

Because You Deserve Amazing Hair.
Treat your hair with our bespoke hair care regimens,
formulated for every hair type and hair concern.
Our Hairdressers At Home Favorite Products

Our Hairdressers At Home Favorite Products

How to keep your hair healthy and thriving until
you can see your hairdresser again.

There is no relationship like the one a woman has with her
hairdresser. Trust and warmth, personal pampering, a
confidant. These are the things we’ve come to expect from
a visit to the salon. And healthy, gorgeous, well-groomed
hair of course.
Chronologiste Hair Restoration Hair Care

Chronologiste Hair Restoration Hair Care

Introducing new Chronologiste,
the essential revitalizing care for hair and scalp.
Blond Absolu Serum Cicanuit Hair Serum for Blonde Hair

Blond Absolu Serum Cicanuit Hair Serum for Blonde Hair

Introducing Blond Absolu Sérum Cicanuit, our first
Hyaluronic Acid intense overnight recovery hair serum for all
blonde hair. Just like a rich night cream for the face, the
hair serum works overnight to recover and restore hair damage
overnight for a luminous, smoother appearance.


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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Services Your Personal Care



Kérastase Fusio-Dose In Salon Hair Treatment

Fusio-Dose In Salon

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


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Kérastase Hair Quiz

The Right Products for You

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


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