The MAP formulation improved skin hydration and altered the viscoelastic ratio, suggesting an effect on deeper skin, but did not directly measure firmness, and the effect differed from AA.
仅涉及作用机制2 篇
局部维生素C与皮肤：作用机制和临床应用。
结论解读 · 中文
综述提到维生素C通过增加胶原合成、稳定胶原纤维等发挥抗衰老作用，但未提供MAP紧致功效的直接证据。
结论解读 · EN
The review mentions that vitamin C exerts anti-aging effects by increasing collagen synthesis and stabilizing collagen fibers, but does not provide direct evidence for the firming efficacy of MAP.
The abstract mentions MAP as an antioxidant, but does not involve firming efficacy.
未提供数据5 篇
局部L-抗坏血酸：经皮吸收研究。
结论解读 · 中文
摘要显示MAP未能增加皮肤中L-抗坏血酸水平，且未提及紧致功效。
结论解读 · EN
The abstract shows that MAP failed to increase L-ascorbic acid levels in the skin, and does not mention firming efficacy.
黑素细胞内酸化在维生素C及其衍生物的抗黑色素生成和抗氧化特性中发挥作用。
结论解读 · 中文
摘要显示MAP抑制酪氨酸酶活性和黑色素生成，但未涉及紧致功效。
结论解读 · EN
The abstract shows that MAP inhibits tyrosinase activity and melanogenesis, but does not involve firming efficacy.
一种新型热机械系统通过局部消融增强亲水性活性剂的透皮递送。
结论解读 · 中文
摘要研究Tixel对MAP渗透的影响，但未提及紧致功效。
结论解读 · EN
The abstract studies the effect of Tixel on MAP permeation, but does not mention firming efficacy.
激光和微晶磨皮增强和控制维生素C的局部递送。
结论解读 · 中文
摘要显示MAP的渗透未被Er:YAG激光增强，且未提及紧致功效。
结论解读 · EN
The abstract shows that the permeation of MAP was not enhanced by Er:YAG laser, and does not mention firming efficacy.
哺乳动物黑素细胞酪氨酸酶抑制剂：龙胆酸烷基酯与其他假定抑制剂的体外比较。
结论解读 · 中文
摘要指出MAP在无细胞和细胞实验中均无效，未显示抑制黑色素生成或酪氨酸酶活性，且不涉及紧致功效。
结论解读 · EN
The abstract indicates that MAP is ineffective in both cell-free and cellular assays, showing no inhibition of melanogenesis or tyrosinase activity, and does not involve firming efficacy.