Vitiligo Definition

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Vitiligo is a long term skin condition characterized by patches of the skin losing their pigment. The patches of skin affected become white and usually have sharp margins. The hair from the skin may also become white. Inside the mouth and nose may also be involved. Typically both sides of the body are affected. Often the patches begin on areas of skin that are exposed to the sun. It is more noticeable in people with dark skin. Vitiligo may result in psychological stress and those affected may be stigmatized.
Globally about 1% of people are affected by vitiligo. Some populations have rates as high as 2–3%. Males and females are equally affected.
About half show the disorder before age 20 and most develop it before age 40. Vitiligo has been described since ancient history.

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