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The combined therapy rescued the skin roughness in the treatment group. (A) The average value of facial skin roughness (%) before and after treatment in the treatment group and control group. (B) Representative pictures of a 32-year-old female taken by intelligent facial detection in the treatment group, which shows the comparison between the values of facial skin roughness before and after treatment. The results are expressed as the mean ± SD. *p < 0.05.
