Acne Vulgaris (AV)
Acne vulgaris, also known as acne, is a long-term skin disease that occurs when hair follicles are clogged with dead skin cells and oil from the skin.Acne is characterized by areas of blackheads or whiteheads, pimples, greasy skin, and possible scarring The resulting appearance can lead to anxiety, reduced self-esteem and, in extreme cases, depression or thoughts of suicide. Genetics is thought to be the cause of acne in 80% of cases. The role of diet and cigarette smoking is unclear, and neither cleanliness nor exposure to sunlight appear to play a part. During puberty, in both sexes, acne is often brought on by an increase in hormones such as testosterone. Excessive growth of the bacterium Propionibacterium acnes, which is normally present on the skin, is often involved.