Skin flakiness and scale formation are symptoms of the skin disorder psoriasis. The patches may seem pink or red and the scales may be white or silvery on skin that is dark, black, or white.Plaques are elevated red spots surrounded by scale, a white deposit of dead skin cells. They can appear anywhere, but they often do on your scalp, lower back, elbows, and knees. Plaques frequently sting or irritate....
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