Acne is a continuous process and causes the eruption of new lesions over time, so at one time there may be comedones, papules, and pustules. Acne is usually described by the primary lesions ...

Scalp acne typically manifests as tender bumps, inflamed pustules, and painful cysts along the crown, temples, and nape of the neck. The breakouts are often caused by a buildup of dead skin and ...