Turn up the volume with the Schwarzkopf Professional BC Bonacure Collagen Volume Boost Micellar Shampoo, a purifying shampoo for fine and weak hair. Specifically formulated for fine hair, the Collagen Volume Boost Micellar Shampoo provides weightless volume that cares and boosts without overburdening the hair. Completely silicone-free, the shampoo infuses hair with stability, fullness and hydration with every use. The ultimate start to any hair care regime where fullness and extra volume is a must, the Collagen Volume Boost Micellar Shampoo will leave hair with more volume, body, and a healthy shine. Apply to wet hair. Massage and leave for 1-2 minutes. Rinse thoroughly.