Pigmentation Disorders are Depigmentation, hyper pigmentation (darkening of the skin), hypopigmentary (decrease in the normal skin color), melasma (hyperpigmentary) and Vitiligo (hypopigmentary). Depigmentation is caused due to the loss of pigment, which makes the skin lose its natural color. Pigment loss can be partial or complete and temporary or permanent. Hypo pigmentation is caused due to very low amount of melanin being produced by the cells and it makes the skin lighter than normal. Hypo pigmentation can also result from injuries to the skin such as burns, ulcers, chemical exposure, or skin infection. Hyper pigmentation is caused due to production of very high amounts of melanin by the melanocytes, making the skin darker than normal. It can also be caused by other pigmented substances, drugs or sunlight exposure.
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