Watchout for old sunblock, goes bad and causes cancer says scientists

"To our knowledge in the scientific literature and in general, no one [before this study] had demonstrated that octocrylene degrades into benzophenone."

In the study's conclusion scientists said: "There is enough scientific literature to make an argument that octocrylene/benzophenone products can pose a threat to individual and public health.

https://www.walesonline.co.uk/news/u...-gets-20031664