I am constantly overlooked by everybody but everybody has me. What am I?

Why this works

This riddle plays on the idea of how we often take our noses for granted, despite them being an essential part of our bodies. The phrase "constantly overlooked" suggests that while everyone has a nose, it's not something we pay much attention to unless there's an issue. Thus, the nose fits perfectly as the answer because it highlights how something so common and necessary can easily be ignored in daily life.