Supplement Table 1. Frequency of sensitization to allergens from the patch test in allergic contact dermatitis patients. Supplement Table 2. Correlations of total eosinophil count, total IgE, and dis
p-Phenylenediamine (PPD) is a strong contact allergen used in hair dye that is known to cause allergic contact dermatitis (ACD). We investigated the effects of PPD exposure on the skin of occupational