The study shows oral piceatannol significantly increases facial stratum corneum hydration and improves wrinkles, supporting soothing efficacy (hydration improvement is related to soothing).
The study shows piceatannol inhibits P. acnes-induced keratinocyte proliferation and migration via antioxidant and anti-inflammatory roles, supporting soothing efficacy.
结论不一1 篇
紫色百香果（Passiflora edulis Sims var. edulis）种子提取物10%乳膏治疗寻常痤疮：一项开放标签初步研究
The study uses passion fruit seed extract (containing piceatannol) cream for acne, showing efficacy, but the extract is a mixture, not a single ingredient, and lacks placebo control, thus mixed.
仅涉及作用机制2 篇
来自百香果种子废料的Piceatannol：循环生物经济驱动的皮肤靶向生物活性物质途径
结论解读 · 中文
该文献为综述，总结了piceatannol的皮肤相关机制，但未提供直接功效证据。
结论解读 · EN
This review summarizes skin-related mechanisms of piceatannol but does not provide direct efficacy evidence.
探索天然存在的piceatannol在非传染性疾病中的治疗潜力
结论解读 · 中文
该文献为综述，总结了piceatannol的抗炎、抗氧化等机制，但未提供直接功效证据。
结论解读 · EN
This review summarizes anti-inflammatory and antioxidant mechanisms of piceatannol but does not provide direct efficacy evidence.