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In short, melasma is a chronic skin condition that appears as darkened areas on the face due to an overproduction of melanin, says Gina Charles, MO, a family physician specializing in skincare. It ...
What it looks like: Rosacea causes redness and thick skin on the face, usually clustered in the center. Easy flushing, a stinging sensation, and small, pus-filled pimples are other common signs of ...
The most dramatic symptom of argyria is that the skin turns blue or blue-gray. It may take the form of generalized argyria or local argyria. Generalized argyria affects large areas over much of the visible surface of the body. Local argyria shows in limited regions of the body, such as patches of skin, parts of the mucous membrane or the ...
Excessive consumption of lycopene, a plant pigment similar to carotene and present in tomatoes, can cause a deep orange discoloration of the skin. Like carotenodermia, lycopenemia is harmless. Excessive consumption of elemental silver , silver dust or silver compounds can cause the skin to be colored blue or bluish-grey.
Postinflammatory hyperpigmentation (PIH) is a skin condition characterized by the darkening of the skin (hyperpigmentation) following an inflammatory injury, such as acne, dermatitis, infectious disease, or trauma. Less frequently, it may occur as a complication of a medical procedure performed on the skin. It is a common cause of skin ...
It's a common skin condition that causes dark patches to appear on the face, usually the forehead, cheeks, nose, and chin, says Dr. Ife Rodney, MD, a board-certified dermatologist and founding ...
Dermatosis papulosa nigra (DPN) is a condition of many small, benign skin lesions on the face, a condition generally presenting on dark-skinned individuals. [1]: 638–9 DPN is extremely common, affecting up to 30% of Black people in the US. [2] From a histological perspective, DPN resembles seborrheic keratoses. [3]
PVA causes areas of affected skin to appear speckled red and inflamed, yellowish and/or brown, gray or grayish-black, with scaling and a thinness that may be described as "cigarette paper". [3] On the surface of the skin, these areas may range in size from small patches, to plaques (larger, raised areas), to neoplasms (spreading, tumor-like ...