Kérastase Resistance Bain Extentioniste 250ml
Strengthening hair from the root to the tip takes some real muscle when it comes to shampoo. You need a product that goes the distance, fortifying inside and outside the hair shaft, from root to tip.
Kérastase Resistance Bain Extentioniste is just that product, working with weak hair to rebuild the internal structure and sealing it to ensure the long-term health of hair is guaranteed.
Hair is thoroughly cleansed and cared for, fortified and strengthened. Kérastase Resistance Bain Extentioniste truly guarantees a stronger future for all lengths of hair.
Benefits
- Cleanses, tones, and revitalises the hair fibre
- Rebuilds lost strength in the hair
- Reveals shiny, smooth hair
- Infuses hair with anti-break action
- Keeps hair protected and resilient
| Product Details |
|---|
| Brand: Kérastase |
| Volume: 250ml |
| Product Type: Shampoo |
| Key Benefit: Strengthens hair from root to tip |
FAQ
How does Kérastase Resistance Bain Extentioniste strengthen hair?
It rebuilds lost strength in the hair by fortifying the internal structure and sealing the hair shaft, providing long-term resilience and protection.
Is this shampoo suitable for all hair types?
Yes, it is formulated to work with weak hair and improve strength across all hair lengths and types.
Does it leave hair feeling greasy?
No, it cleanses and tones the hair without leaving a greasy residue, leaving hair shiny and smooth.




Jane Randall –
I’ve been using this shampoo for three months and my thinning hair has become noticeably stronger. It feels cleaner and smoother every time I wash it. My hair no longer breaks easily, and it looks healthier overall.
Chloe Edmunds –
My hair was very fragile after a heat styling session. After switching to this shampoo, it feels more resilient and less prone to split ends. The shine has improved significantly.
Kevin Peters –
I use it every week and my hair maintains its strength even after frequent washing. The anti-break action is noticeable, and my hair feels more structured and healthy.
Austin Alsop –
It cleanses well without stripping the hair. My hair feels softer and more manageable. I don’t see breakage as much anymore, which is a big improvement.
Gordon MacLeod –
After using this shampoo regularly, my hair has become more defined and less frizzy. It’s a great solution for weak or damaged hair that needs long-term strengthening.