Résistance Serum Extentioniste Scalp & Hair Serum by Kerastase

Résistance Sérum Extentioniste Scalp & Hair Serum by Kérastase

Who It’s For

For weakened, breakage-prone hair that struggles to grow. Ideal for anyone wanting stronger hair from root to tip and a healthier scalp environment for growth.

What It Is

A daily strengthening scalp and hair serum designed to support healthy growth and reduce breakage. The lightweight, non-greasy formula helps reinforce the hair fibre while keeping the scalp balanced, hydrated, and refreshed.

Why You’ll Love It

It fortifies the scalp and strands at the same time, helping your hair grow longer and stronger with fewer breakages. The serum absorbs quickly, leaving the scalp comfortable and the hair smooth, soft, and resilient.

How to Use

Apply directly to the scalp using the pipette on dry or towel-dried hair. Massage gently to distribute evenly. Use three times a week or as part of your regular strengthening routine. Do not rinse.

When to Use

Use regularly to maintain scalp health and strengthen hair for improved length retention.

Fragrance

A clean, modern scent with subtle notes of fresh florals and light woods — balanced and uplifting.

Key Ingredients

Ceramides – Strengthen the hair fibre and improve resilience.
Creatine R – Rebuilds and reinforces the internal structure of weakened hair.
Taurine – Supports scalp vitality and helps create a healthy foundation for growth.

Full Ingredient List

Aqua / Water / Eau, Alcohol Denat., Glycerin, Creatine, Taurine, Citric Acid, Hydroxypropyl Guar Hydroxypropyltrimonium Chloride, Sodium Benzoate, Linalool, Benzyl Alcohol, Limonene, Alpha-Isomethyl Ionone, Coumarin, Parfum / Fragrance.

Why We Love It

Because it works at the source — strengthening the scalp and hair together. With consistent use, it supports longer, stronger, healthier growth that feels fresh, light, and revitalized.

Canadian proud, Denim & Smith Barbershops is your go-to destination across Alberta for all your Kérastase essentials.