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Improvement in epidermal barrier permeability function by CK in the UVB-irradiated model. (A) Clinical features of dryness and skin-barrier impairment. (B) The level of transepidermal water loss (TEWL). (C) Estimation of skin hydration. The results are expressed as the mean ± SD (n = 7). *p < 0.05 vs. CON; #p < 0.05 vs. the UVB-irradiated group. CON: control group, UVB: UVB-irradiated group, UVB-CK: UVB-irradiated group and 0.3% compound K-treated group.
