Pump up the volume with the Full Density Conditioner from Matrix Biolage. Fortified with a hydrating blend of Biotin, Zinc PCA & Gluco-Omega to deeply nourish & thicken each strand from root to tip, the weightless conditioning formula leaves you with full-bodied, luscious locks. Ideal for fine, flat & thin hair, its body-boosting blend reduces breakage & inspires healthy-looking, radiant hair with every use. E.N. Paraben free.