Acne and black head causes

« ...At the onset of puberty, the high levels of androgens; testosterone (dehydrotestosterone), androstenedione and progesterone stimulate an increase in the turn over of the cells lining the surface of the skin which blocks the passage for sebum from the sebaceous glands, leading accumulation, some chronic inflammation and subsequent infection with a bacteria named after the disorder, Propionibacterium acnes, a normal colony of the skin....
...Why me? There is no one simple "cause" of acne — the condition is influenced by many factors, many which are out of your control. The regularity with which you shed skin cells can change throughout your life. The rate at which you produce sebum is affected by your hormone balance, which is often in flux — especially for women. Research has also shown that genetics play a big part in the development and persistence of acne, so your family history is a valuable prediction tool as well when considering the various causes of acne....»

«...Benzoyl peroxide is also very effective on any kinds of acne but it is considered as one of the more irritating acne regimen. If you have sensitive skin, do not use benzoyl peroxide as by doing so will cause rashes and irritations to occur....»

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