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Hyperpigmentation, also
known as the dark
spots or
circles on the skin, is the
darkening of an area of skin or
nails caused by
increased melanin. Hyperpigmentation...
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Postinflammatory hyperpigmentation (PIH) is a skin
condition characterized by the
darkening of the skin (
hyperpigmentation)
following an inflammatory...
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Periorbital hyperpigmentation, also
known as
hereditary dark circles, is
characterized by
darker skin
around the eyes
caused by the
presence of additional...
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chicken from Indonesia. They have a
dominant gene that
causes hyperpigmentation (fibromelanosis),
making the
chicken mostly black,
including feathers...
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produce more melanin, the
pigment that
darkens skin.
Periorbital hyperpigmentation occurs when more
melanin produced around the eyes than is usual, giving...
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pharmaceutical industries for its skin
lightening effects,
treatment of
hyperpigmentation, and as a
safer alternative to hydroquinone. α-Arbutin is a synthetic...
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Nipple pigmentation or
areolar pigmentation is
pigmentation (darkening) of the
nipple or areola. It is dose-dependently
induced as an
effect of estrogens...
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Hemosiderin hyperpigmentation is
pigmentation due to
deposits of hemosiderin, and
occurs in purpura, haemochromatosis,
hemorrhagic diseases, and stasis...
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Hypercholesterolemia Cushing's
syndrome due to
excess ACTH may also
result in
hyperpigmentation. This is due to melanocyte-stimulating
hormone production as a byproduct...
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Familial progressive hyperpigmentation is
characterized by
patches of
hyperpigmentation,
present at birth,
which increase in size and
number with age....
