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