2-ethylhexyl-2-cyano-3
3-diphenyl acrylate, Octocrylene
オクトクリレン
分子量:361.5 Cas No:6197-30-4
紫外線吸収剤、褪色防止剤、散乱剤
[1] 張麗卿,『優質保養品選擇策略』,聯經出版社,2003/07/10。
y
2012-07-06

Octocrylene是较为新型的防晒成分,属于油溶性化学防晒剂,可吸收紫外线中波段在250~360的UVA和UVB,在防晒霜中经常搭配其他防晒剂一起使用,能达到较高的SPF防晒指数,不过Octocrylene暴露在阳光下会释放出氧自由基。

g
2013-06-16

衛生署限量 10 %

m
2016-09-23

不建議使用的物質

長期可能導致老化,須考慮使用

"Perhaps the best approach to stabilizing avobenzone is to incorporate octocrylene (EU) in the formulation to help prevent the formation of the triplet state. Octocrylene is also a globally approved sunscreen (although some evidence suggests octocrylene may itself be a photo-sensitizer, causing indirect DNA damage). The key L’Oreal patents (in the United States) for stabilization of avobenzone using octocrylene expired in late 2014 and are now freely available."

Source: https://knowledge.ulprospector.com/2232/pcc-avobenzone-globally-approved-uva-absorber/

An oil-soluble chemical sunscreen agent that protects skin in the UVB and somewhat in the UVA II range with a peak absorption of 304 nm. Its protection is not strong enough on its own but it is quite photostable (loses 10% of SPF protection in 95 mins) and is often used to stabilize other photo-unstable UV-filters, for example, Avobenzone. It is also often used to improve the water resistance of the products.

Octocrylene's safety profile is generally quite good, though a review study in Contact Dermatitis reports an "increasing number of patients with photo contact allergy to octocrylene." Mainly adults with ketoprofen-sensitivity and children with sensitive skin are affected, so if you have a small kid, it is probably better to use octocrylene-free sunscreens.

https://incidecoder.com/ingredients/octocrylene

Not coral reefs and marine life friendly! Belongs to the HEL list of ingredients to avoid while purchasing SPF to protect the marine environment:

The HEL LIST includes:

Any form of microplastic sphere or beads.
Any nanoparticles like zinc oxide or titanium dioxide.
Oxybenzone
Octinoxate
4-methylbenzylidene camphor
Octocrylene
Para-aminobenzoic acid (PABA)
Methyl Paraben
Ethyl Paraben
Propyl Paraben
Butyl Paraben
Benzyl Paraben
Triclosan
(Source: https://haereticus-lab.org/protect-land-sea-certification-3/)

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