How To Cure Acne What is Acne and what Causes it? Acne is a common skin condition that causes pimples and other bumps on your face and on your upper body. Acne is also caused by a buildup of dead skin cells, bacteria, and also dried sebum that blocks the follicles of your hair in the skin. Bumps, such as whiteheads, blackheads, pimples, cysts appear on the skin usually on the face, chest, shoulders and on your back. Common treatment can include antibiotics and creams applied to the skin for mild acne, also antibiotics can be taken by mouth for moderate acne it is the most common skin disease in the United States and it affects up to 80% of the population at some point in life.