Nioxin System 5 Volumising Shampoo is a professional hair thickening and volumizing shampoo, specifically designed for chemically treated or weakened hair. This shampoo is part of Nioxin's 3D System, which is a professional salon treatment range that aims to transform hair from thin to full in 30 days. It is the first step in the Nioxin System 5, which is formulated to provide smoother-looking hair with more body and thickness, while protecting color and improving resilience. The shampoo cleanses the hair and scalp, removing dirt, excess oil, and impurities, while preparing the hair for subsequent treatments. It is suitable for adult use and offers a generous 1 L volume.