Hyperpigmentation is the darkening of an area of skin or nails caused by increased melanin. Hyperpigmentation can be caused by sun damage, inflammation...

Periorbital hyperpigmentation, also known as hereditary dark circles, is characterized by darker skin around the eyes caused by the presence of additional...

Postinflammatory hyperpigmentation (PIH) is a skin condition characterized by the darkening of the skin (hyperpigmentation) following an inflammatory...

Hemosiderin hyperpigmentation is pigmentation due to deposits of hemosiderin, and occurs in purpura, haemochromatosis, hemorrhagic diseases, and stasis...

of chicken from Indonesia. They have a dominant gene that causes hyperpigmentation (fibromelanosis), making the chicken mostly black, including feathers...

produce more melanin, the pigment that darkens skin. Periorbital hyperpigmentation occurs when more melanin produced around the eyes than is usual, giving...

Nipple pigmentation or areolar pigmentation is pigmentation (darkening) of the nipple or areola. It is dose-dependently induced as an effect of estrogens...

pharmaceutical industries for its skin lightening effects, treatment of hyperpigmentation, and as a safer alternative to hydroquinone. α-Arbutin is a synthetic...

"Linear nevoid hyperpigmentation," "Progressive cribriform and zosteriform hyperpigmentation," "Reticulate and zosteriform hyperpigmentation," "Reticulate...

Hypercholesterolemia Cushing's syndrome due to excess ACTH may also result in hyperpigmentation. This is due to melanocyte-stimulating hormone production as a byproduct...

solar lentigo, toxic melanoderma, Riehl melanosis, post-inflammatory hyperpigmentation, friction melanosis, ochronosis (endogenous and exogenous), and cutaneous...

lasers in the 1990s. Observed complications have included scarring, hyperpigmentation, acne, and herpes. Skin rejuvenation can be effected through various...

Familial progressive hyperpigmentation is characterized by patches of hyperpigmentation, present at birth, which increase in size and number with age....

4-n-butylresorcinol, is a chemical used to treat hyperpigmentation of the epidermis. Hyperpigmentation is believed to be related to the enzyme tyrosinase...

Chemotherapy-induced hyperpigmentation is caused by many chemotherapeutic agents (especially the antibiotics bleomycin, and daunorubicin) and the alkylating...

treatments for skin lightening, β-arbutin is aimed at addressing hyperpigmentation issues. Its mechanism of action involves inhibiting the activity of...

be necessary. Avoid exposing abraded skin to the sun as permanent hyperpigmentation can develop. The gallery below shows the healing process for an abrasion...

cutaneous atrophy, Hereditary acrokeratotic poikiloderma, Hyperkeratosis–hyperpigmentation syndrome,: 511  Acrokeratotic poikiloderma, Weary–Kindler syndrome: 558 ...

progressive hyperpigmentation Pallister–Killian syndrome Periorbital hyperpigmentation Photoleukomelanodermatitis of Kobori Postinflammatory hyperpigmentation Transient...

Melanosis is a form of hyperpigmentation associated with increased melanin. It can also refer to: Melanism Ocular melanosis Smoker's melanosis Oral melanosis...

treatment of skin pigmentation, including melasma and postinflammatory hyperpigmentation, particularly in those with darker skin types. It has been recommended...

of their appearance. Increased melanin production, also known as hyperpigmentation, can be a few different phenomena: Melasma describes the darkening...

Hypopigmented Tinea versicolor Vitiligo Pityriasis alba Postinflammatory hyperpigmentation Tuberous sclerosis Idiopathic guttate hypomelanosis Leprosy Hypopigmented...

destruction (disease processes leading to glandular damage). Darkening (hyperpigmentation) of the skin, including areas not exposed to the sun – characteristic...

ulcerations, scarring, paresthesias, hematomas, blistering, bleeding, hyperpigmentation, or hypopigmentation were identified in the 2015 systematic review...

(loss of color) are common, while in those with lighter skin color, hyperpigmentation (increase in skin color) is more common. Because infected skin tans...

alteration of the color of the skin or nails. "Hyperchromia" can refer to hyperpigmentation, and "hypochromia" can refer to hypopigmentation. "Dyschromatoses"...

to the skin can lead to the development of reticulated erythema, hyperpigmentation, scaling, and telangiectasias in the affected area. Some people may...

melanin can cause dark spots or patches on the gums (melanin gingival hyperpigmentation), especially at the base of the interdental papillae. Gum depigmentation...

from tuberculosis. A distinctive feature of Addison's disease is hyperpigmentation of the skin, which presents with other nonspecific symptoms such as...