A safe, effective way to attain the lashes & brows you've always wanted. Crafted with our patented formula for consistent, reliable results without any adverse effects. Specially formulated to enhance the length and thickness of your lash and brow follicles. Plume Lash & Brow Enhancing Serum 2ml: Lasts for 2 months of daily use on both upper and lower lash lines, and approximately 6 weeka of daily use on lashes and brows. Plume Lash & Brow Enhancing Serum 5ml: Lasts for 3 months of daily use on both upper and lower lash lines, and approximately 2 months of daily use on lashes and brows. | Plume Science Lash & Brow Enhancing Serum, 5 ml | Dermstore