Fig. 8From: Potential anti-acne loaded nanogel formulations of Origanum majorana L. and Chrysanthemum morifolium Ramat. essential oilsChart represents TNF-α expression as area percentage; data are presented as mean ± SEM. Group 1 (normal control), group 2 (negative control), group 3 (plain formula), group 4 (positive control, erythromycin), group 5 (chrysanthemum oil formula) and group 6 (marjoram oil formula). (One way ANOVA, Tukey’s post-test, P < 0.05)Back to article page