Acne vulgaris is a type of acne that is inflammatory in nature. Although acne is found to be at its most severe stage in the teenage years, it is known to become mild and mostly disappear as a person crosses this turbulent period in life. Besides teenagers, women commonly face acne problems during their PMS phase. This is because there are a lot of hormonal changes in the body before a woman gets her period. Surprisingly even people in their 40s have also been known to get pimpls.
Acne develops as a result of blockages in follicles. Hyperkeratinization and formation of a plug of keratin and sebum (a microcomedo) is the earliest change. Enlargement of sebaceous glands and an increase in sebum production occur with increased androgen (DHEA-S) production at adrenarche. The microcomedo may enlarge to form an open comedo (blackhead) or closed comedo (whitehead). Increased sebum production provides an environment for the overgrowth of Propionibacterium acnes. Bacterial overgrowth of Propionibacterium acnes can cause inflammation, leading to inflammatory lesions (papules, pustules, or nodules) in the dermis around the microcomedo or comedo, which may result in scarring.
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tags: aubrey and adult acne and review, acne and scarring on black skin, bad pregnancy acne
