Figure 1. Clinical characteristics of irritant contact dermatitis in a 38-year-old patient who adopted frequent hand washing habits a month ago, as a preventive measure for COVID-19 spread, without using moisturizers.

The white asterisks (*) highlight several ill-defined, xerotic (dry), erythematous scaly patches on the dorsum of the hands, fingertips, and finger webs, which progress to lichenification (skin thickening).