INVIGO Volume Boost with Volume Boost-Blend™: Lightweight formulas give manageability and shine without weighing down the hair. Bodifying Spring Force Polymers surround the hair fibers and help to create the most voluminous looks during blow-drying. Cotton is a soft but stable fiber with similar stability and softness needed for voluminous fine hair. Gives lightweight care, shine, fullness and light control. With Spring Force Blend. After shampooing, apply evenly to damp hair. Do not rinse out. Blow-dry for maximum effect.