Main content

Spring Training for Longer Hair

With any training program, the goals are strength, stamina and speed.
Hair goals aren’t much different. Start your program to your hair in the
best shape of your life. Watch as it grows longer in better shape with the
right at-home routine and powerful salon boosters.

With any training program, the goals are strength, stamina and speed. Hair goals aren’t much different. When you’re working on growing your hair long, you want to start off strong at the root and maintain peak form through the mid-lengths, all the way to the ends.



Kerastase Spring Training for Longer Hair

Hair gets longer, faster. It gets better and better every day. There may be times when you want to quit and cut it all off, but with patience and consistent effort, there is simply no limit to the lengths your hair can go.




Kerastase Spring Training for Longer Hair




Our 3-month program will get your hair in the best shape of your life.


Kerastase Spring Training for Longer Hair

Day 1: The Warm-Up

Jumpstart your progress! Visit your Kérastase stylist (a.k.a. your hair coach) for the Extentioniste Treatment Service, an intensive treatment that will provide 99% less breakage* and 78% less split ends*. Request Serum Extentioniste for scalp activation. Strength begins at the root, and you want to set yourself up for success.

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






Weeks 1-4: Game On


It’s go time… repeat your daily mantra: long and strong. Continue your growth program with the Extentioniste at-home routine: Cleanse with Bain Extentioniste Shampoo and condition with Fondant Extentioniste Conditioner or Masque Extentioniste Hair Mask, based on your stylist’s recommendation.



Kerastase Spring Training for Longer Hair

These formulas contain Creatine R, an amino acid that strengthens the fibers from within. Add your own dose of Serum Extentioniste once or twice a week to re-activate the scalp and aid in fortifying the fibers. You’re on your way to your strongest, most beautiful hair ever!




Kerastase Spring Training for Longer Hair





30-Day Salon Evaluation

Visit your hair coach for another strengthening dose of Protocole Extentioniste, and perhaps a trim and style. But don’t take off too much! You’ve come this far—don’t lose focus. Kerastase Resistance Protocole Extentioniste Salon Hair Treatment.


Kerastase Spring Training for Longer Hair





Repeat and Succeed

This is where the effort really counts. Keep up your at-home strengthening ritual—don’t give up! Consider adding Masque Extentioniste Hair Mask for extra power at the ends—they should match your roots in thickness. Visit your stylist up to once a month for further recommendations and a re-up of Protocole Extentioniste.


Kerastase Spring Training for Longer Hair




3 Months: Your Moment of Glory

Hardcore dedication pays off! After three months of training, your hair exhibits up to 3 inches more length and is stronger
and healthier than ever. Keep going! With exceptional care, there is no limit to the length you can achieve.





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 no split ends and no breakage.






Discover Related Articles

Discover how we combine our deep knowledge of hairdressers and their clients to imagine a world of hair care products that would exceed expectations

Hand’s Down — These Are The Best Hair Thickeners For Men

Our new collection Genesis Homme is a dual action haircare range for stronger and instantly thicker hair for men.

Calling All Men: These Hair Thickening Routines Work Instantly

Here we revel 2 routines that are worth factoring in for fuller looking, instantly thicker hair.

Emily Ratajkowski x Kérastase

There are lots of reasons why Emily Ratajkowski or Emrata, is unforgettably magnetic.
Get up close and personal with Emily, our spokesmodel and face of Kérastase. Learn more about collaboration with this modern icon.

8 Ways to Support Your Hairdresser

Hairdressers have had it rough lately, so we're revealing 8 easy and thoughtful
ways you can support your hairdresser.


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.


Find a Salon


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.


Learn More
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.


Start Now






For the best experience, please turn your device