Resistance Bain Force Architecte 250ml – Reinforcing and resurfacing shampoo for weakened/damaged hair. Resistance Bain Volumifique 200ml – This is the first thickening effect shampoo by Kérastase. It helps fine hair to create feather light volume. Soft and light, the formula gives a visible thickening effect to the fiber without weighing it down. Resistance Masque Force Architecte 200ml – Strengthening masque for brittle, damaged hair, split ends with an Erosion Level of 1-2.