Sunscreen could have stopped me getting skin cancer feature on Newsbeat
Experts recommend applying sunscreen 30 minutes before you go out in the sun, and reapplying every two hours.
“It’s not just using sunscreen but it’s using it in the right way,” explains Dr Nisith Sheth from the British Skin Foundation.
“The vast majority of people never use enough.”
Read more about how to apply sunscreen correctly on the Newsbeat website.