The purpose of the study is to testify whether Single Microneedle Radiofrequency is effective for moderate-to-severe acne vulgaris, through treating moderate-to-severe acne vulgaris patient for 1 month, using photodynamic therapy as controlled group, and try to provide clinical evidence for the hypothesis that whether Single Microneedle Radiofrequency therapy could be an alternative to photodynamic therapy for moderate to severe acne vulgaris.
The purpose of the study is to testify the efficacy of treating moderate-to-severe acne vulgaris with Single Microneedle Radiofrequency, and provide evidence for the hypothesis that whether Single Microneedle Radiofrequency therapy could be an alternative to photodynamic therapy for moderate to severe acne vulgaris.