A very severe type of acne in which nodules are connected beneath the skin surface to other nodules or acne lesions. Hormones that stimulate sebaceous glands in addition to other effects on the body. Present in both males and females, androgens are responsible for physical maturation in males and therefore occur in much higher levels in males.
Males tend to have more severe acne than females.
An open, noninflammatory comedo. Closed comedo . An acne lesion. Likely to cause comedones. Dermatologic surgery .