定经汤美白功效的临床评价

Clinical Evaluation of the Whitening Effect of Dingjing Decoction

目的观察定经汤对女性面部皮肤的临床疗效。方法选取2019年4月-2020年1月在广州紫和堂幸和中医门诊部体检的80名女性健康志愿者,采用随机数字表法分为治疗组和对照组,每组40例。治疗组采用定经汤治疗,对照组采用维生素C治疗,2组均外用护肤品外涂。比较2组治疗前后的测试皮肤颜色评定治疗效果,并观察不良反应。结果治疗8周后,与治疗前相比,治疗组志愿者的黑素指数(Melanin index,MI),个体类型角(Individual typological angle,ITA)测试指标均有显著改善,差异有统计学意义(P<0.01);与对照组志愿者相比,治疗组志愿者的MI、ITA各项测试指标均优于对照组,差异有统计学意义(P<0.05或P<0.01)。结论定经汤可显著改善女性面部颜色和明亮度。

Objective To observe the facial skin whitening efficacy and safety of Dingjing decoction.Methods Eighty healthy female volunteers who underwent physical examination in Guangzhou Zihetang Xinghe Traditional Chinese Medicine Serial Clinic from April2019 to January 2020 were selected and divided into treatment group and control group by random number table method,with 40 cases in each group.The treatment group was treated with Dingjing decoction,and the control group was treated with vitamin C.Both groups applied skin care products.The skin color of the two groups before and after treatment was compared to evaluate the treatment effect and observe the adverse reactions.Results After 8 weeks of treatment,compared with before treatment,Melanin index(MI)and Individual typological Angle(ITA)test indexes in the treatment group were significantly improved,and the differences were statistically significant(P<0.01).Compared with the control group,MI and ITA test indexes of the treatment group were better than those of the control group,with statistical significance(P<0.05 or P<0.01).Conclusion Dingjing decoction is safe and effective in whitening and lightening the facial skin of the female.