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Mexoryl SX
Terephthalylidene Dicamphor Sulfonic Acid, Ecamsule
对苯二亚甲基二樟脑磺酸, 麦素宁滤光环
分子量:563 Cas No:90457-82-2
防晒剂,水溶性成份,为现今最有效的 UVA 防晒成份之一,但因并未涵盖所有UV 范围,故常搭配其他成份使用[1]。 防晒
[1] Wikipedia, the free encyclopedia, http://en.wikipedia.org.
G
2007-01-31

请问,我买了一瓶薇姿的隔离霜,它的Mexoryl SX, Terephthalylidene Dicamphor Sulfonic Acid 为3.960%,是否已达2/5的危险指数?谢谢

a
2010-06-06

Mexoryl SX是较新的一种紫外线UVA防晒剂,皮肤吸收率低,获得了美国FDA的认可。不过,Mexoryl SX吸收紫外线的波段并未涵盖所有UVA波段,而且曝露在阳光下两小时即可分解40%,所以常常需要搭配其他防晒剂一起使用。

2017-12-22

Mexoryls SX formulations always showed a higher protective potency than sunscreen without it even when the protection against erythema was similar (products with same SPF). Mexoryls SX formulations also prevented or significantly decreased to minimal, ferritin, tenascin and lysozyme expression induced by repeated UVA or SSR exposure. It also reduced the enhancement of collagenase 2 mRNA expression induced by SSR exposure. Finally PMLE study demonstrated that UVA protection was essential for the prevention of this photodermatose.
CONCLUSION:
Mexoryls SX formulated in sunscreens or daily use products have been shown to be an effective UV absorber, leading to an increased efficacy of these products against a large number of biological damage induced by UVA, SSR or sun exposure.

2017-12-22

https://www.ncbi.nlm.nih.gov/pubmed/18717957

2019-11-08

Between 2003 and 2010, sunscreen makers applied for FDA permission to use eight sun-filtering chemicals developed by European companies. Four of these – Tinosorb S, Tinosorb M, Mexoryl SX and Mexoryl XL – appear to be more effective than avobenzone, the most common UVA filter permitted by the FDA. The FDA’s failure to respond to these applications prompted Congress to pass the Sunscreen Innovation Act of 2014 (FDA 2014). This act requires the FDA to review new applications for sunscreen active ingredients within 300 days, but it doesn’t relax the standards companies must meet to prove new ingredients are both safe and effective.

2019-11-08

https://www.nytimes.com/2005/06/09/style/skin-deep-psst-this-stuff-keeps-you-young-but-its-illegal.html

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