Keen to spend a few hours in a spa bath and catch some ultraviolet rays? 

No, we're not talking about a spa day... but rather, volunteering to test a new sunscreen mixture to see if it’s ready to hit the supermarket shelves. 

Dr Sophie Calabretto talks to Cosmos Magazine journalist Ellen Phiddian about sunscreen testing and why getting sunburnt for science is the best way to ensure it'll keep us safe from the sun.

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