Sephora Collection Best Skin Ever Ultra Slim Precision Concealer - 15N Medium (medium w/ neutral undertones) . What it is: A concealer that corrects with a micro tip that brightens and perfects only where you need it. What Else You Need to Know: Designed for precise multitasking, it makes it easy to conceal, highlight, and contour. The ultra‑fine tip delivers targeted coverage exactly where needed, while the creamy, blendable formula glides on seamlessly for a natural, skin‑like finish. A built‑in brush applicator allows for effortless blending on the go. Use a lighter shade to conceal and brighten key areas, or a deeper shade to contour and define with precision.