Similar to the bumps that can form on your face, back, or chest—scalp acne is something that can happen to anyone, anytime.

Do wash quickly after exercise, especially if you wear a hat or helmet. Sweat attracts bacteria and can make your acne worse. Always pat your skin dry gently and toss that towel into the hamper.

Exfoliating the scalp can help to remove dead skin cells and prevent clogged pores. Consider using a scalp scrub or massaging ...