Wella's first translucent rinse-out treatment for extra-lightweight care. 5L. Made in USA. Wella INVIGO Volume Boost Clear Treatment is A clear mask treatment that provides fullness, body and manageability for hair. A Spring Force Blend of Bodifying polymers and lightweight conditioning ingredients that leave hair soft to the touch, without the usual weight of a normal mask. Apply to clean, damp hair. Leave for five minutes. Rinse out thoroughly.