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Effect of 3-in-1 NFS on keratinocytes and fibroblasts. a FLG expression, b AQP3 expression, c collagen I expression, d collagen III expression, e laminin expression, and f fibronectin expression in fibroblasts treated with 3-in-1 NFS (0.05%, 0.1%, 0.5%, 1%). Graphs show mean protein expression levels (± SEM) of 5 independent experiments relative to those of untreated control cells (100%). *p < 0.05; **p < 0.01
