Nexxus VitaTress Conditioning Volumizer. Vita Tress Conditioning Volumizer is an extraordinary leave-in treatment that adds volume, fullness and body to fine, thin, fragile hair. The Micro mist sprayer evenly disperses a synergistic blend of Botanicals, Amino Acids and Wheat Protein into the hair, adding strength and volume to each stand while detangling. Conditioning Volumizer is a viatal component in the Vita Tress Hair Revitalizing program for fragile, thinning hair. The program features a coprehensive collection of proactive formulations including nutional Vita Tress Hair Food Dietary supplement to promote full voluminous, healthy hair.