Kérastase Résistance Bain Extentioniste Strengthening Shampoo for Long Hair

Kérastase Résistance Bain Extentioniste Shampoo

Length Strengthening Shampoo for Long Hair

Available in Canada at Curious Salons

For

Long hair, weakened lengths, slow-growing hair, and breakage-prone strands that need strength, resilience, and healthier-looking growth.

Description

Kérastase Résistance Bain Extentioniste Shampoo is a strengthening shampoo designed for long hair that is fragile, damaged, or prone to breakage. This professional formula gently cleanses while helping reinforce the internal structure of the hair fibre, supporting stronger lengths from root to tip.

Ideal for anyone growing out their hair, Bain Extentioniste helps hair feel stronger, smoother, softer, and more resistant to breakage, so lengths can look healthier and more polished over time.

Formula

The formula is enriched with Creatine, Ceramide, and Taurine. Kérastase describes Creatine as helping reinforce the internal structure of the hair fibre, Ceramide as supporting shine, elasticity, moisture retention, and strengthening, and Taurine as helping protect the hair fibre while supporting a healthy-looking scalp environment.

What It Does

• Helps strengthen weakened, breakage-prone hair
• Supports healthier-looking long hair
• Reinforces the hair fibre from within
• Helps smooth and soften the hair surface
• Leaves hair feeling stronger, shinier, and more supple
• Ideal for maintaining length while reducing the look of breakage

How To Use

Apply a quarter-size amount to wet hair. Massage into the scalp and through the lengths to create a lather. Rinse thoroughly. For best results, follow with Kérastase Résistance Fondant Extentioniste Conditioner.

Key Ingredients

Creatine — Helps reinforce the internal structure of the hair fibre.
Ceramide — Helps smooth, soften, support elasticity, and enhance shine.
Taurine — An amino acid known for its protective effect on the hair fibre and scalp environment.

Fragrance

A clean, professional salon fragrance with a fresh, refined finish that leaves hair feeling beautifully cared for.

Full Ingredient List

Aqua / Water, Sodium Laureth Sulfate, Coco-Betaine, Taurine, Cocamide MIPA, Sodium Chloride, Amodimethicone, Laureth-5 Carboxylic Acid, PPG-5-Ceteth-20, Sodium Benzoate, Sodium Hydroxide, Citric Acid, Polyquaternium-10, PEG-55 Propylene Glycol Oleate, Propylene Glycol, PEG-60 Hydrogenated Castor Oil, Salicylic Acid, Amyl Cinnamal, Hexyl Cinnamal, Benzyl Alcohol, Linalool, Hydroxycitronellal, Citronellol, Limonene, Creatine, 2-Oleamido-1,3-Octadecanediol, Benzyl Cinnamate, Sodium Acetate, Isopropyl Alcohol, Parfum / Fragrance.

Why You’ll Love It

Because growing long hair should feel luxurious, not fragile. Kérastase Résistance Bain Extentioniste Shampoo helps cleanse, strengthen, and smooth weakened lengths so hair feels softer, stronger, and beautifully renewed with every wash.