Biolage Advanced Full Density Shampoo - 250ml. Part of the Biolage Advanced Full Density hair system, designed to reduce hair loss. Formulas with a blend of biotin, zinc pca and gluco-omega provide luscious, thicker-feeling hair. Biolage Full Density Shampoo gently cleanses to remove follicle clogging impurities to instantly make hair look and feel healthier. When used as a system of Shampoo and Conditioner, breakage is significantly reduced for fuller-looking, thicker-feeling hair. Fortifies and removes follicle-clogging impurities while reducing breakage. Hair feels thicker. Available in 250ml and 1000ml bottles.