Acne is usually associated with breakouts on the chin, cheeks, and nose. However, there’s another area of the head where acne can pop-up—your scalp. That’s right: Your scalp and hairline can be “hot beds” for bumps and redness. You may not easily see it when staring straight into a mirror, but you may feel the bumps and irritation. That’s why we asked top hair and skin specialists about the root causes behind scalp acne and how to prevent and treat it.