
Acne is a common skin problem for most teens and many adults. Acne occurs when the skin’s follicles become blocked with sebum and dead skin cells. The overproduction of sebum in the skin provides an environment ready for the bacterial overgrowth of Propionibacterium acnes (P. acnes) bacteria. This overgrowth of bacteria causes inflammation, leading to inflamed lesions. Acne lesions range in severity from blackheads (open comedo) and whiteheads (closed comedo) to pustules, papules and cysts. Acne generally appears on the face, chest and shoulders, ...