Kérastase Resistance Bain Force Architecte Shampoo Refill 500ml gently washes the hair while restructuring and strengthening the most damaged and brittle hair fiber. About Kérastase Resistance Bain Force Architecte Shampoo Refill 500ml is a perfect reconstructive shampoo for damaged and weakened hair. Specifically, this Kérastase Resistance Force Architecte range is suitable for hair that is rough to the touch, brittle, and with split ends. That said, this shampoo perfectly and gently washes the hair leaving it fresher and more purified. On the other hand, this formula effortlessly wraps itself in the hair fiber, leaving it rebuilt and revitalized. Finally, dry and split hair becomes silky, light, loose, and radiant. The composition of this shampoo becomes perfect as it is enriched with the Vita-Ciment® Complex. This, in turn, has Pro-Keratin and Ceramides in its formulation. Starting with the first, this protein perfectly mimics the function of keratin and rebuilds hair and hair fiber from the inside. In the end, the hair is visibly less damaged and looks super healthy. After that, the Ceramides form a cement with the aim of strengthening the hair and interconnecting the cells of the hair fiber. Finally, this product also has Resurrection Sap, a plant known for its regenerating power. Thus, it provides a huge repair boost to the entire hair fiber. All in all, damaged and brittle hair is much healthier and stronger thanks to this shampoo. With this refill version you can refill your original bottle as many times as you want!