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Résistance Serum Extentioniste Scalp & Hair Serum

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

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Kerastase Serum Extensioniste Resistance Serum for strong lengths product image
Kerastase

Résistance Serum Extentioniste Scalp & Hair Serum

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

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Product Benefits

Serum Extentioniste is a highly concentrated hair serum designed as a scalp treatment to promote a healthy scalp. This scalp treatment is enriched with Ceramides that stimulate the growth of healthy and strong hair follicles. Serum Extentioniste also acts as a hair straightening serum to add smoothness and softness to hair. A hair serum created to balance roots and ends, purify and protect the scalp while promoting a healthy scalp environment.


  • Supports hair lengths
  • Nourishes and protects healthy hair
  • Provides a soothing texture for itchy scalps
  • Detangles hair


Key Ingredients





How to Use

How to use Hair Serum, Serum Extentioniste:
Step 1. Apply scalp treatment Serum Extentioniste directly to the scalp on cleansed, towel-dried hair.
Step 2. Depending on hair type, apply a maximum of 3 pipettes directly to scalp in sections.
Step 3. Massage the hair serum into the root and scalp as you work through each section.
Step 4. Once application of hair serum is complete in all sections, massage the entire head to distribute the serum evenly and comb through.
Step 5. Leave in scalp treatment and proceed with usual hair styling. Recommended to use at least 3 times a week for a healthy scalp.
Apply a full syringe to roots and massage into lengths to help reduce breakage and encourage healthy hair growth. Can be used every day for best results!

Complete Your Routine

Complete your hair care routine with cleanse, treat, prime & night essentials.
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