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Mexoryl SX
Terephthalylidene Dicamphor Sulfonic Acid, Ecamsule
對苯二亞甲基二樟腦磺酸, 麥素寧濾光環
分子量:563 Cas No:90457-82-2
防曬劑,水溶性成份,為現今最有效的 UVA 防曬成份之一,但因並未涵蓋所有UV 範圍,故常搭配其他成份使用[1]。 防曬
[1] Wikipedia, the free encyclopedia, http://en.wikipedia.org.
G
2007-01-31

請問,我買了一瓶薇姿的隔離霜,它的Mexoryl SX, Terephthalylidene Dicamphor Sulfonic Acid 為3.960%,是否已達2/5的危險指數?謝謝

a
2010-06-06

Mexoryl SX是較新的一種紫外線UVA防曬劑,皮膚吸收率低,獲得了美國FDA的認可。不過,Mexoryl SX吸收紫外線的波段並未涵蓋所有UVA波段,而且曝露在陽光下兩小時即可分解40%,所以常常需要搭配其他防曬劑一起使用。

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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