Fig. 2From: Anti-acne vulgaris effect including skin barrier improvement and 5α-reductase inhibition by tellimagrandin I from Carpinus tschonoskiiRelative testosterone level upon treatment with (a): Carpinus tschonoskii leaf (CTL) extract and (b): tellimagrandin I (TI). The results are expressed as mean ± standard deviation (SD) of triplicate experiments. (n = 3) ***, p < 0.001; **, p < 0.01; *, p < 0.05, comparison with normal control groupBack to article page