HAIR TYPE: Damaged Hair / Revive brittle hair with Kérastase 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. The 500ml refillable shampoo bottle is made using recycled plastic, except the pump, colourants & additives, and can be refilled with the associated shampoo pouch, made with -82% plastic packaging. Than packaging of two 250ml Bain. WHAT IS IT? Bain Force Architecte is a shampoo designed for weakened and damaged hair. Suitable for daily use, this strengthening shampoo is specially formulated to cleanse and fortify damaged hair. HOW TO USE? Step 1 Apply 1 or 2 pumps on dry or wet hair as a leave-in treatment. Step 2 Start from mid lengths and work to ends. Step 3 Style.