Picture of Cystic Acne
Cystic acne is a severe type of acne that forms when oil glands become blocked and oil, dead skin cells, and other debris are trapped under the skin. Cystic acne can be disfiguring and cause deep pits and scars on the skin. Unfortunately, cystic acne most commonly occurs on the face. Teens experiencing changing hormone levels often suffer from the condition.
Text Reference: National Institute of Arthritis and Musculoskeletal and Skin Diseases: "Questions and Answers about Acne"