Kérastase: The Finest Routine For Longer, Stronger Hair

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Growing healthy, luxuriously long hair requires a robust plan of action. It’s like strength training for the hair. Think of the Extentioniste range as hi-tech equipment that gets you to your goal faster. Each component plays a vital part in getting you to your goal.


This invigorating, length strengthening shampoo contains Creatine R™ and Taurine.


Enjoy the luxurious effect of a creamy conditioner designed to keep the hair in optimum shape as it goes to great lengths. Boasting a powerful fusion of Creatine R™, Ceramides and Maleic Acid.


The length Strengthening hair mask comes with incredible nourishing power, even on dry, thinning ends. Contains Creatine R™ and Maleic Acid.

Sérum Extentioniste SCALP & HAIR SERUM

A unique scalp and fiber hair serum. Sérum Extentioniste is a great product for a self-care moment. It’s applied by pipette and massaged in to the scalp—slowly for relaxation, or more vigorously for an energizing effect.

NEW! Extentioniste Thermique THE BLOW DRY PRIMER

This gel cream milky serum infused with Glaçage Thermo-Seal, Creatine R™ and Taurine. It protects hair from heat damage up to 450°F, with 90% less breakage* after 1 application. (*vs non-conditioning shampoo).

Have a minute?

Let James Galvin, a salon director from London, explain to you the perfect routine to get long, strong and healthy hair.

Extentioniste Hair Care Routine

The Extentioniste 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. Finish with the thermique and your hair is fortified with less breakage.

Length strengthening shampoo for slow growing, damaged lengths..

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Length strengthening conditioner for slow growing, damaged lengths...

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More Information on Mask


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

More information on Sérum

Strengthening scalp and hair serum for stronger fibre from the roots

More Information on Thermique


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