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Clinical effects of the POLG nano-emulsion on the dryness of the skin of AD patients. Dryness scoring was performed by a dermatologist (KN) at 0, 3, and 6 weeks on a 1–5 grading basis (1 = none; 2 = slight; 3 = mild, 4 = moderate; 5 = severe). n = 25; **: p < 0.01 compared to week 0; all data were analyzed using Dunn’s multiple comparisons test.
