Nioxin Instant Fullness creates thicker, denser-looking hair within seconds*, all day, everyday! Formulated with FUSION FIBRIL TECHNOLOGY exclusive to Nioxin, it absorbs excess sebum that can build up during the day, while adding dimension & space between each individual hair str&, leaving hair full of body & voluminous. Nioxin Instant Fullness leaves the scalp clean & refreshed & increases diameter of individual hair strands. How To: Spray onto dry hair at roots, brush through & style as usual. Available in two sizes, for on-the-go & at-home use. Works best with the Nioxin 3-part System Kits to prolong the fullness of hair.*vs. hair treated with a 24h average amount of sebum.