Objective To evaluate the cosmetic efficacy of Q-switched laser and intense pulsed light(IPL)in the treatment of facial freckles and to assess their impact on skin lesion status and adverse reactions.Methods A total of 130 patients with facial freckles treated at the hospital between January 2021 and September 2022 were included in this study.Patients were randomly assigned to either the control group or the observation group,with 65 patients in each.The control group received IPL treatment,while the observation group underwent Q-switched laser treatment.Comparisons were made between the two groups before and after treatment regarding skin physiological characteristics,cosmetic outcomes,treatment duration,skin lesion status,adverse reactions,and aesthetic satisfaction.Results During treatment,there was no statistically significant difference in the overall incidence of adverse reactions between the two groups(P＞0.05).All adverse reactions resolved spontaneously within 3 to 6 months post-treatment.Before treatment,there were no significant differences in the scores for spots,texture,wrinkles,pores,lesion area,and color between the groups(P＞0.05).After one treatment session,significant improvements in skin physiological status and lesion scores were observed in both groups,with the observation group showing greater improvements(P＜0.05).The total effective rate of cosmetic treatment was higher in the observation group(P＜0.05).Additionally,the treatment time and frequency were shorter or lower in the observation group compared to the control group(P＜0.05).Aesthetic satisfaction did not differ significantly between the two groups(P＞0.05).After six months of follow-up,no recurrences were reported in either group.After one year,the recurrence rates were similar between the two groups(P＞0.05).Conclusion Compared to IPL,Q-switched laser treatment is more effective in enhancing skin physiological characteristics and provides superior efficacy for treating facial freckles.Both Q-switched laser and IPL demonstrate good short-term efficacy,but both are associated with a high long-term recurrence rate.IPL treatment is associated with fewer skin lesions compared to Q-switched laser.Both methods are associated with minimal adverse reactions and comparable aesthetic satisfaction.
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