Cystic Acne is a form of acne where breakouts develop into small cysts. Unlike true cysts, sac-like structures that differ from their surrounding tissue, acne cysts are nodules of inflammation. These cysts are a result of the build-up of sebum, fatty secretions of the sebaceous gland, within the pores. Like a pimple, cysts are commonly filled with a white, pus-like substance. Cystic acne can affect the face, neck, shoulders, back, and the upper arms. These breakouts can be several millimeters in size and can be painful.
Reviewed by: Michael Fuller, MD
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