Irritant contact dermatitis caused by cosmetics containing excessive mercury

Irritant contact dermatitis (ICD) is a localized, nonimmune-induced inflammatory skin reaction, characterized by multiform skin lesions, including erythema, scaling, edema, blisters, and erosion. Mercury and its related compounds are highly allergic agents that can induce allergic contact dermatitis.This article aims to clarify the skin damage caused by irritant contact dermatitis caused by the addition of high doses of mercury to skin care products.A 30-year-old female patient sought treatment at our Institute for contact dermatitis.Through the patch test of the patients and the component detection of the skin care products her use. A large amount of mercury was found in skin care products, and the patient had no apparent allergic reaction to mercury.We considered irritant contact dermatitis caused by excess mercury, and the patient's condition improved with treatment.