In subjects over 80 years, topical 1% retinol for 7 days increased collagen synthesis and decreased matrix metalloproteinases, supporting firming effect
结论不一1 篇
维甲酸治疗皮肤老化:临床疗效与安全性概述
结论解读 · 中文
综述提及视黄醇改善光老化,但未提供具体数据,且提及刺激性副作用,证据混杂。
结论解读 · EN
Review mentions retinol improves photoaging, but no specific data provided, and mentions irritant side effects, evidence mixed
仅涉及作用机制2 篇
维生素A代谢:最新进展
结论解读 · 中文
综述视黄醇代谢和功能,提及皮肤健康,但未直接证明紧致功效。
结论解读 · EN
Reviews retinol metabolism and function, mentions skin health, but does not directly prove firming effect
利用多光子激发内源性荧光和二次谐波成像的活组织内源性发射显微镜
结论解读 · 中文
摘要提及视黄醇作为内源性荧光指示剂,但未研究皮肤紧致功效。
结论解读 · EN
Abstract mentions retinol as endogenous fluorescence indicator, but does not study skin firming effect