A compound [Avobenzone] used in the protective lotions turns toxic when it reacts with chlorine and ultraviolet rays, researchers found…

Aldehydes, phenols and chlorinated acetyl benzenes were created in experiments simulating swimmers wearing sunscreen.

The latter two are considered extremely toxic and are strongly linked to deadly tumours and infertility, Lomonosov Moscow State University experts say.

Read more: http://www.dailymail.co.uk/health/article-4649842/Don-t-swim-wearing-sunscreen.html