The effects of topical azelaic acid, salicylic acid, nicotinamide, sulfur, zinc, and fruit acid (alpha‐hydroxy acid) for acne are unclear. We aimed to assess the effects of these topical treatments by collecting randomized controlled trials.

中文翻译：

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痤疮的循证局部治疗（壬二酸、水杨酸、烟酰胺、硫磺、锌和果酸）：Cochrane 系统评价的删节版

外用壬二酸、水杨酸、烟酰胺、硫磺、锌和果酸（α-羟基酸）对痤疮的影响尚不清楚。我们旨在通过收集随机对照试验来评估这些局部治疗的效果。