During RR and erythroderma, IFNγ + lymphocytes and IL-17+ lymphocytes (191 and 213 cells/mm2, respectively) outnumbered IL-4+ lymphocytes and FoxP3+ lymphocytes (25 and 121 cells/mm2, respectively) in the skin tissue (Fig. 3). This evidence concerns the gene FOXP3 and exfoliative dermatitis.