The Biolage Volume Boost Shampoo is expertly formulated to infuse fine, limp hair with a noticeable surge of lightweight volume and revitalising lift. This plumping formula features a precision blend of micro-dosed soy protein and polymers, delivering gentle cleansing and enduring fullness whilst meticulously preserving your hair's natural softness and radiant lustre. For optimal results, simply apply this shampoo to wet hair, lather, and rinse thoroughly to reveal beautifully bodified strands with enhanced bounce and a healthy-looking finish