Fig. 7From: Potential anti-acne loaded nanogel formulations of Origanum majorana L. and Chrysanthemum morifolium Ramat. essential oilsPhotomicrograph of skin (Immune staining- TNF-α) a group 1: mild limited expression, b group 2 and c group 3 showing increased positive staining, d group 4 and e group 5 showing marked reduction in TNF-α, f group 6: moderate positive expression. 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)Back to article page