Mary Kay Lash and Brow Building Serum

Let lashes and brows live up to their fullest potential. Have your brows lost their wow? Lash & Brow Building Serum delivers results in just 30 days. Benefits at-a-glance Builds thicker- and fuller-looking lashes Improves the look of thin, sparse lashes and brows Lash volume is improved Lashes look maximized Helps reduce lash loss during makeup removal NEW in Box. Discontinued item from MK. SMOKE-FREE HOME.