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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.
Irritant contact dermatitis Many substances can irritate our skin. Soap, shampoo, food, and water are mild irritants. With lots of exposure, these can cause irritant contact dermatitis. Getting a strong irritant like battery acid or fiberglass on your skin just once also can cause irritant contact dermatitis. The signs and symptoms differ for mild and strong irritants.