Acne is a chronic skin disease. It affects both adolescents and adults. The type of acne that many teenagers get is called acne vulgaris. It usually appears on the face, neck, shoulders, upper back and chest. Although acne is usually not a serious health threat, it can be an important source of emotional distress. The oil that lubricates the skin is normally trapped in oil pipelines blocked and results in what we know as buttons, black and white dots on the surface of the skin. Sometimes it also includes deep lesions of the skin which are called cysts. Acne lesions range in severity from comedones (black and white dots) to nodules and cysts.
Cysts associated with severe cases of acne (cystic acne) are firm swellings below the skin''s surface that become inflamed and sometimes infected. Nearly 17 million people in the United States have acne. Acne usually begins during puberty between the ages of 10 and 13 and he tends to be more severe in people with oily skin. Teenage acne is usually five to 10 years, it would normally in the early années''20. It occurs in both sexes, although adolescents tend to have the most severe cases. Women are more likely than men to have mild to moderate forms in their 30''s and beyond. While not a life threatening condition, acne can be upsetting and disfiguring.
There are many types of acne. Blackhead is a type of acne. It is caused by an excess of oil that have accumulated in the sebaceous glands ''s jacket. Désengorgeant toxins that are expelled through the skin, blood and lymph sebum combines with the creation of a pasty glue. Another type of acne bone white. Whites also known as comedones closed follicles, which are filled with the same material, but have only a microscopic opening to the skin surface. Whites are the direct result of the skin with pores of oil and dead skin cells. White dots are the symptoms of acne vulgaris, and the pores are blocked with sebum.