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Resistance Extentioniste Hair Care Collection Resistance Extentioniste Hair Care Collection

Extend Your Limits Resistance Extentioniste

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.

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Kerastase Resistance Extentioniste Hair Care Emily Ratajkowski 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 LEARN MORE

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

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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Kerastase Resistance Serum Extentioniste Hair Serum

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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NEW EXTENTIONISTEWant Longer Hair?

Jumpstart your way to long healthy hair with our 3-month progam that will keep you motivated to reach your 12-week hair length goal. You'll receive pro tips to get the most out of your at-home routine, timely reminders to get a boost in your growth results, expert knowledge on what makes hair grow long, strong, fast and much more. Sign up now.

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