Rosacea is a common yet often misunderstood skin condition that affects millions of people worldwide. While it’s most frequently seen in adults over the age of 30, anyone can develop it. Because its symptoms can mimic other skin issues, many people go undiagnosed or treat it incorrectly—leading to more irritation and discomfort. In this guide, we’ll break down what rosacea is, what causes it, its telltale symptoms, and how it can be managed.