
The Routine The Finest Routine For
Healthy, Long Hair
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.
Bain Extentioniste LENGTH STRENGTHENING SHAMPOO
This invigorating, length strengthening shampoo contains Creatine R™ and Taurine.
shop nowFondant Extentioniste LENGTH STRENGTHENING CONDITIONER
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.
shop nowMasque Extentioniste LENGTH STRENGTHENING MASK
The length Strengthening hair mask comes with incredible nourishing power, even on dry, thinning ends. Contains Creatine R™ and Maleic Acid.
shop nowSérum 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.
shop nowNEW! 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).
shop nowHave 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

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.