...The excess keratin clumps together and tends to block the oil ducts within your hair follicles. This stops the oil escaping onto the surface of your skin (tending to cause dryness of the skin). This mixture is added to by bacteria naturally present in your hair follicles and becomes trapped just beneath the surface of your skin, hence pimples, spots, blackheads, and so on....»
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«...Whiteheads, on the other hand, is not as obvious as blackheads. It is also a symptom of acne vulgaris. Whiteheads are primarily caused by pores clogged with excess oils and dead skin cells. Many people have the habit of squeezing the blackheads and whiteheads on their skin. This type of treatment can be very dangerous as it may cause inflammation and scarring. You have to be aware that treatments for blackheads and whiteheads will take some time. However, there are products that can help to speed up the process and at the same time, prevent scarring....»
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