Catering specifically for thin, lack-lustre locks, the Matrix Biolage Full Density Shampoo works to leave hair feeling thicker & healthier. Formulated with Biotin, Zinc PCA & Gluco-Omega, the lightweight shampoo gently cleanses to eliminate impurities, unclogging the hair follicles & minimising breakage to reveal stronger, fuller locks with increased density. Adds volume from root to tip for big & bouncy results around the clock. E.N. Paraben free.