Lash Out! Mascara and Lash Serum Duo See the difference an eye-friendly routine can make with this duo of twenty/twenty beauty bestsellers. Clean Sweep treatment mascara helps nourish and strengthen lashes during the day, while our Get Growing Lash & Brow Serum promotes thicker lashes & brows while you sleep! #eyes #lashes #lashgrowth #lashserum #skincare #mascara