Bring a burst of lightweight volume and lift to limp hair with the Volume Boost Shampoo from Biolage. This plumping formula delivers gentle cleansing and long-lasting volume to fine strands while maintaining fine hair's natural softness and shine. Key Ingredients This shampoo has been infused and micro-dosed with a concentrate of micro-filtered soy protein and polymers that's been carefully calibrated down to the microgram. The formula has been designed to precisely raise volume levels without sacrificing hydration or softness. Key Benefits - Boosts Volume & Lift - Instantly adds body and fullness to limp, fine hair. - Lightweight Cleansing - Gently cleanses without weighing hair down. - Maintains Softness & Shine - Enhances volume while keeping hair touchable soft and naturally shiny. - Precision-Formulated - Infused with micro-dosed soy protein and polymers to raise volume without compromising hydration. - Long-Lasting Fullness - Delivers volume that lasts throughout the day