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Irritant contact dermatitis. Irritant contact dermatitis occurs when your skin comes into direct contact with a substance that damages the outer layer of your skin, causing redness, itching, and a burning or stinging sensation.
Contact dermatitis is a red, itchy rash caused by a substance that comes into contact with your skin. The rash isn't contagious or life-threatening, but it can be very uncomfortable.Possible causes include soaps, cosmetics, fragrances, jewelry, and plants, such as poison ivy or poison oak.ontact dermatitis is a red, itchy rash caused by a substance that comes into contact with your skin. The rash isn't contagious or life-threatening, but it can be very uncomfortable.