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...

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...

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

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...

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[citation needed] alternative to hydroquinone. α-Arbutin...

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...

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

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

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

evidence include topical metronidazole, ivermectin and azelaic acid. Hyperpigmentation, also known as dark spots, is the darkening of an area of skin or...

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

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

exact mechanism of this color change, which may correspond either to hyperpigmentation as part of melanoderma, or to spontaneous subcutaneous hemorrhages...

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

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

clinical stages of exogenous ochronosis are: Erythema and mild hyperpigmentation Hyperpigmentation and "caviar-like" lesions Papulonodular lesions Skin: The...

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

conditions resulting from a previous disease, such as scarring or hyperpigmentation. Large nodules were previously called cysts. The term nodulocystic...

condition characterized by hyperpigmentation of the oral mucosa, longitudinal melanonychia, and genital melanosis. The hyperpigmentation presented in Laugier-Hunziker...

medical sign characterised by brown-to-black, poorly defined, velvety hyperpigmentation of the skin. It is usually found in body folds, such as the posterior...

autosomal dominant conditions comprising myxomas of the heart and skin, hyperpigmentation of the skin (lentiginosis), and endocrine overactivity. It is distinct...

clinical studies to improve the appearance of aging skin by reducing hyperpigmentation and redness. It is a water-soluble vitamin. Side effects are minimal...

Highland White Terriers of any age. Affected dogs can suffer from red hyperpigmentation, lichenification, and alopecia. In the initial stages, this condition...

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

color may be to make the nipple area more visible to the infant. Hyperpigmentation occurs in most women during the second stage of pregnancy, leading...

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