Revive brittle hair with Kerastase Resistance Bain Force Architecte, a strengthening shampoo that has been specially formulated to cleanse and fortify damaged hair at erosion levels 1-2. Utilising a Vita-Ciment Complex, the shampoo effectively lifts away dirt and impurities while strengthening the feel of brittle hair to help prevent breakage and split ends. Damaged hair is left feeling soft, sleek and protected.