6 Common Forms of Acne and the Factors That Contribute to Each

Acne is not a single condition but a spectrum of skin concerns that vary in appearance, depth, and severity. Dermatologists generally divide acne blemishes into two main categories: noninflammatory acne and inflammatory acne. This distinction is based on whether the blemishes trigger redness, swelling, and tenderness in the surrounding skin. Noninflammatory acne tends to be milder, while inflammatory acne is often more persistent, uncomfortable, and more likely to benefit from professional medical guidance.