skin disorders
Overview of Skin Pigment
Pigment disorders
Pigment disorders can be widespread and affect many areas of skin, or they can be localized and affect only certain areas of the skin. The pigmentation changes they cause are called Depigmentation Hypopigmentation Hyperpigmentation is complete loss of pigment. The skin is white. Widespread depigmentation occurs in Vitiligo . is an abnormally low amount of melanin. The skin is lighter in color than normal. Widespread hypopigmentation of the skin occurs in Albinism . Hypopigmentation can be caused by Previous injury to the skin, such as a blister, ulcer, burn, exposure to a chemical, or skin infection Inflammatory conditions of the skin that have healed (such as Atopic Dermatitis (Eczema) or Rare hereditary conditions Hyperpigmentation None Disorders that cause inflammation Drugs Exposure to sunlight 