KÉRASTASE Resistance Bain Therapiste restorative shampoo, 8.5 fl oz — repairs & hydrates damaged hair

KÉRASTASE Resistance Bain Therapiste is a restorative shampoo formulated to rebuild and hydrate extremely damaged, brittle hair while reducing breakage.

This salon-grade cleanser targets overstressed strands using KÉRASTASE’s Fibra-Kap technology to reconstruct weakened hair fibers. It gently removes impurities while infusing moisture and resilience into lengths and ends, leaving hair softer, smoother, and less prone to snapping. Designed as the first step in the Resistance Therapiste regimen, the formula prepares hair to receive concentrated masks and serums for deeper reconstruction.

How does this shampoo help hair that’s been damaged by heat and chemical services?

Bain Therapiste focuses on repairing the internal structure of hair fibers damaged by heat styling, coloring, and other chemical processes. It reinforces elasticity and seals compromised ends to reduce immediate fragility and future breakage.

• Fibra-Kap technology rebuilds weakened cortex fibers for improved strength.
• Moisturizing agents restore flexibility to overheated, dry strands.
• Sealing action smooths raised or split cuticles to limit friction and tangles.

What results can I expect after using this shampoo?

With regular use, hair appears visibly healthier: softer to the touch, smoother in finish, and less susceptible to breakage during styling. The product prioritizes repair over volumizing, so it leaves hair renewed rather than weighed down.

• Reduced visible split ends and smoother lengths after continued use.
• Improved manageability and easier detangling when combined with the Therapiste mask and serum.
• Enhanced shine and a revitalized look as fiber integrity is restored.

How should I use Bain Therapiste for best repair results?

Apply a coin-sized amount to wet hair and massage from roots to tips to emulsify and cleanse. Rinse, then repeat, focusing the second application on lengths and ends; leave on for two minutes before rinsing thoroughly to allow active ingredients to penetrate.

• Use twice per wash: first to cleanse, second to treat damaged areas.
• Leave on for two minutes on the second wash to boost fiber reconstruction.
• Follow with the Therapiste Hair Mask and Serum for a complete repair protocol.

Can this shampoo be combined with other products in the Resistance range?

Yes—the Bain Therapiste is formulated as the cleansing step in a three-part renewal routine. When paired with the Therapiste Hair Mask and Therapiste Hair Serum, the trio works to rebuild hair fiber, reactivate radiance, and restore a silky touch.

• Therapiste Mask deepens reconstruction for mid-lengths and ends.
• Therapiste Serum targets extra-damaged tips for sealing and gloss.
• Regular combined use maintains structural improvements and reduces recurrence of breakage.

Who this is for: KÉRASTASE Resistance Bain Therapiste is intended for people with extremely damaged, brittle, or overstressed hair seeking professional-level repair. It’s ideal for anyone recovering from frequent heat styling, chemical services, or persistent mechanical damage who wants to restore elasticity, reduce breakage, and improve texture when used as part of a dedicated repair routine.

Ingredients

Water, Sodium Laureth Sulfate, Coco-Betaine, Glycerin, Glycol Distearate, Amodimethicone, Sodium Chloride, Imethicone, Ppg-5-Ceteth-20, Sodium Benzoate, Polyquaternium-6, Peg-150 Distearate, Salicylic Acid, Linalool, 2-Oleamido-1,3-Octadecanediol, Carbomer, Trideceth-6, Citronellol, Glycine, Arginine, Proline, Tyrosine, Glutamic Acid, Geraniol, Serine, Hydroxypropyltrimonium, Hydrolyzed Wheat Protein, Cetrimonium Chloride, Benzyl Alcohol, Safflower Glucoside, Isoeugenol, Trehalose, Tamarindus Indica Seed Polysaccharide, Myrothamnus Flabellifolia Leaf Extract, Citric Acid, Sodium Hydroxide, Fragrance.