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Representative clinical photographs of three patients showing improvement in facial erythema after treatment. Photographs were taken at baseline, at week 2 (after the first treatment), and week 12 (eight weeks after final the treatment).3名患者的代表性临床照片，展示了治疗后面部红斑的改善情况。照片分别于基线期、第2周（首次治疗后）及第12周（末次治疗后8周）拍摄。