Achieve thicker, fuller-looking locks with the Full Density Spray Treatment from Matrix Biolage. Fortified with an innovative blend of Biotin, Zinc PCA and Gluco-Omega, the non-greasy spray powerfully expands the diameter of each strand to reveal voluminous, denser hair with added body and bounce. Works to strengthen thin hair and reduce breakage so you can experience healthy-looking, luscious locks after just one use. E.N.