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The reduction of resazurin after 24 h exposure to the Centella asiatica L. (GCE), Clitoria ternatea L. (KTE) and Epilobium angustifolium L. (EAE) extracts in cultured (A) fibroblasts (BJ) and (B) keratinocytes (HaCaT). Data are the mean ± SD of three independent experiments, each of which consists of three replicates per treatment group. For BJ **** p < 0.0001, *** p = 0.0001, ** p < 0.007 versus the control (100%). For HaCaT **** p < 0.0001, *** p = 0.0005 versus the control (100%).
