In accordance with predilection of acne, the number of lesions was divided into 3 different areas that are face, upper chest and back. The proportions of subjects, who met the success rate definition in each group, were analyzed by chi-square test. Plasma MDA level The results of MDA level in each group, before and after treatment, were analyzed by paired-t-test. The results of MDA level, after treatment, were analyzed by unpaired-t-test. A p-value of < 0.05 was taken as the limit of statistical significance. RESULTS Demography of the subjects The demographic characteristics of the subjects are shown in Table 1. It is seen that subjects’ characteristics are equally distributed in both groups.