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首页> 外文期刊>Journal of cosmetic dermatology. >Acne and its post‐inflammatory hyperpigmentation treatment by applying anti‐acne dissolving microneedle patches
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Acne and its post‐inflammatory hyperpigmentation treatment by applying anti‐acne dissolving microneedle patches

机译：Acne and its post‐inflammatory hyperpigmentation treatment by applying anti‐acne dissolving microneedle patches

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Abstract Objective Acne is a significant problem in young people. At present, most acne treatment products are topically applied cosmetics, whose efficacy is limited by the stratum corneum. The dissolving microneedle technique can effectively deliver drug molecules into the body. In this study, dissolving microneedles containing anti‐acne ingredients were tested for human efficacy and safety. Methods We conducted a 28‐day clinical efficacy and safety trial on 30 individuals with visible facial acne. During the trial, anti‐acne microneedle (AA‐DMN) patches were applied to designated skin areas once daily for 28 consecutive days. Skin pigmentation was measured using a Courage + Khazaka skin melanin and hemoglobin test probe Mexameter MX18. Acne volume was measured using a Canfieldsci skin rapid optical imaging system PRIMOS. In addition, skin irritation was evaluated via self‐report and dermatologist's examination. Results The AA‐DMN patches showed good efficacy including improvement of skin pigmentation and reduced acne volume. Acne volume was reduced by 12.34 after 3?days of patch use and further reduced by 10.01 after 7 continuous days of use. After 28?days of treatment, skin melanin decreased by 5.88 and heme decreased by 7.83. No adverse reactions were observed in any of the participants. Conclusions Anti‐acne microneedle patches showed an excellent effect in reducing acne and post‐inflammatory hyperpigmentation (PIH), without adverse skin reactions. The novel AA‐DMN patch is a safe and effective anti‐acne treatment.

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