Brand new, unopened, LashSense w/UnderSense Waterproof Mascara in Brown LashSense Waterproof Mascara is a highly pigmented, waterproof formula that works to beautifully lengthen, curl, and define each lash to volumized perfection. UnderSense 3-in-1 Maximizing Lash Primer works to (1) condition, (2) lengthen and (3) volumize lashes. This lash primer improves the look and feel of lashes over time, while immediately boosting the volume, definition, and length of lashes before application