The fix: You can create the illusion of one with this simple trick: Brush the brows up and angle out with a spoolie brush, like Trish McEvoy Brow Groomer ($14; Bloomingdales.com). Then apply Anastasia Matte Highlighter ($21; Anastasia.net) under the outer half of your brow. Never overtweeze the tail ends—without them, you can't create an arch.
Whatever your eyes are saying, those arches above them (or lack thereof) could be saying something completely different--and unintended. Here, 12 eyebrow-raising transformations.