Biolage Volume Boost Volumizing Spray – 8.5oz is a lightweight, root-lifting spray that delivers instant volume and touchable fullness without stiffness or buildup. Formulated with bamboo extract, it helps strengthen fine or limp hair while adding body and movement. Perfect for blow-drying or air-drying, this volumizing mist enhances natural texture, boosts lift at the roots, and leaves hair feeling thicker, bouncier, and full of life. Ideal for fine to medium hair types.