Tue 30 Aug 2011
A black dot (scientifically known as open comedones), black or yellow swelling on the skin. This kind of stigma is a form of acne vulgaris. Contrary to common belief they are caused by poor hygiene, blackheads are caused by excess oils that have accumulated in the sebaceous glands causes the ductus. Things are in this swelling mainly of keratin and sebum, an oily discharge changed the sebaceous as it begins to darken. Clogged hair follicles, which occur frequently buttons, reflect the light irregularly to produce a black dot in the “dark” color. As such, disability does not necessarily appear black when removed from the opening, but it may contain a yellow-brown due to melanin composition.
As to avoid the appearance of blackheads, it is important that you follow a strict skin care. Regular cleaning of the skin is crucial in preventing the occurrence of these skin problems, and white. For example, you can wash your face with petroleum products and alcohol at least twice a day.