Areas of excess pigment production. Sometimes seen as darkened spots as a consequence or adverse reaction of electrolysis treatment. For treatment, see hydroquinone.
Increased amounts of melanin pigment in the skin producing brown and black coloration. Hyperpigmentation often follows inflammation in the skin.
A lack of skin color caused by a deficiency of melanin production or a loss of pre-existing melanin or melanocytes.
P,S Usually a consequence of melanin excess, either increased numbers of melanocytes, or increased production of melanin and melanin deposition in the basal epithelium. Can be secondary to inflammation, or idiopathic (primary).
A darkening of the skin at the site of a healing acne lesion. Most prevalent in African-American, Asian and Latino populations, these spots can last up to 18 months — but may disappear more quickly if you stay out of the sun. Topical bleaching agents, such as Proactiv Solution Skin Lightening Lotion, can help them fade more quickly.
Hyperpigmentation is defined as a discoloration of the skin in specific spots or areas. Skin may darken after an injury such as a cut or scrape, or after certain skin disorders including acne. Hyperpigmentation can also occur due to surgery scarring. Susan C. Taylorm M.D. author of Brown Skin: Susan Taylor's Prescription for Flawless Skin, Hair, and Nails stated, "... chemical peels (use of alpha or beta hydroxyl acids) and microdermabrasion can be helpful."
Increased coloration of the skin. May be related to skin irritation, self-trauma (chronic licking or chewing) or some disease processes.
localized increase in skin pigment.
excessive coloration of the skin.
excess skin pigment or color caused by high venous pressure forcing blood cells to leak from small veins under the skin. I, J, K
Darkening of the skin, may be due to radiation, or chemotherapy.
Dark spots on the skin. Hyperpigmentation is primarily a cosmetic concern that can be covered with make-up, although in some cases (such as the café au lait spots associated with neurofibromatosis) it can be a sign of an underlying medical problem. If treatment of hyperpigmentation is desired, a dermatologist may be able to use dermabrasion, laser treatments, or bleaching agents to effect change.
Excess production of melanin pigment, resulting in darkening of the skin. Hypopigmentation- Lack production of melanin, causing â€˜white spots' on skin
an increased level of coloring (melanin) in skin. Can be natural (sun tan) or pathological.
Increased abnormal melanin pigmentation (color) in the skin. Click here for more information about hyperpigmentation.
a condition where one area of the skin produces more melanin making it darker than the surrounding skin.
abnormally increased pigmentation
A skin condition in which there is excessive pigmentation, often seen as dark spots on the skin.
Darkening of the skin, commonly produced by ultraviolet radiation, which provokes melanocytes in the skin.
Hyperpigmentation may be due to hypermelanosis or haemosiderin deposits that result in skin colour that is darker than normal.
An over excitation of melanocytes, darkening of the skin. Can be seen as sun-induced freckles or melasma.
In dermatology, hyperpigmentation is the darkening of an area of skin or nails caused by increased melanin. Hyperpigmentation may be caused by sun damage, inflammation from acne, or other skin injuries. People with darker asian, east indian, middle eastern, hispanic, or african skin tones are also more prone to hyperpigmentation especially if they have excess sun exposure .