防曬成份，油性化學性紫外線吸收劑，危險指數為 2/5(越高越不好)[1]。
Octocrylene是較為新型的防曬成分，屬於油溶性化學防曬劑，可吸收紫外線中波段在250～360的UVA和UVB，在防曬霜中經常搭配其他防曬劑一起使用，能達到較高的SPF防曬指數，不過Octocrylene暴露在陽光下會釋放出氧自由基。
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/