The BNTC lash and brow serum: Helps promote the look of fuller, thicker lashes. Can be used under makeup or as part of your bedtime ritual. Does not clump & is silicone-free. This silky serum helps provide moisture to the lash and brow area and supports the look of fuller, thicker lashes and brows. The vitamin E and vegetable-derived squalane help condition the lash and brow area to visibly enhance thickness. This serum also contains CoQ10, an antioxidant used to support the look of healthy lashes and brows. Daily application helps to visibly support the look of fuller lashes and brows.