Biolage Volume Boost Shampoo is a professional-grade solution crafted to deliver a burst of lightweight volume and lift to fine, limp hair. Infused with precision-calibrated micro-filtered soy protein and polymers, this plumping formula gently cleanses whilst enhancing body, maintaining natural softness, and imparting a beautiful lustre without compromising hydration. For optimal results, massage into wet hair, work into a rich lather, and rinse completely to reveal revitalised strands with long-lasting fullness