However, when the sebaceous gland gets clogged, and sebum builds up inside the follicle, P. acnes multiplies rapidly. Chemicals produced by the bacteria can cause inflammation in the the follicle and surrounding skin. A very severe type of acne in which nodules are connected beneath the skin surface to other nodules or acne lesions. Androgens 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. An acne lesion. Comedogenic Likely to cause comedones. The tiny shaft in the skin through which a hair grows, and sebum is excreted from sebaceous glands to the surface of the skin. Hormones Chemical substances produced by the body that, depending on the hormone, govern many body processes.