![Bain Extentioniste Shampoo](http://www.birdwestport.com/cdn/shop/products/kerastase-resistance-bain-extentioniste-shampoo_{width}x.jpg?v=1587267935)
Length strengthening shampoo for slow growing, damaged lengths.
How To Use
BENEFITS
- Supports healthy hair lengths.
- Protects hair fiber from external aggressors.
- Stimulates scalp.
KEY INGREDIENTS & TECHNOLOGY
![Creatine R](https://www.kerastase-usa.com/on/demandware.static/-/Sites-kerastase-master-catalog/default/dwf35df3f5/product-ingredients/kerastase-product-ingredients-creatine.jpg)
Creatine R: An exclusive complex composed of Creatine an amino acid that reinforces the internal structure of the hair fiber.
![Ceramides](https://www.kerastase-usa.com/on/demandware.static/-/Sites-kerastase-master-catalog/default/dw44a92220/product-ingredients/kerastase-product-ingredients-ceremides.jpg)
Ceramides: Enhances shine, promotes elasticity and moisture retention and aids in strengthening hair.
![Taurine](https://www.kerastase-usa.com/on/demandware.static/-/Sites-kerastase-master-catalog/default/dwf35df3f5/product-ingredients/kerastase-product-ingredients-creatine.jpg)
Taurine: An amino acid with protective effects on the hair, ensuring a stimulated and healthy scalp.