Take your lashes from lackluster to lush! Our Lash Serum was formulated by the world's leading lash experts to deliver powerful ingredients with shocking results. Just one swipe of this lash-loving serum each night makes your lashes look fuller and thicker in as little as 4 weeks, with maximum results at 8 weeks all with a nourishing formula that works wonder on natural lashes, while still being perfectly safe for lash extensions.