An curved arrow pointing right. All of us know that putting on sunscreen is a priority when in the sun, but how does it work? We worked with Business Insider's science team to unlock the mysteries ...

An curved arrow pointing right. All of us know that putting on sunscreen is a priority when in the sun, but how does it work? We worked with Business Insider's science team to unlock the mysteries ...

This sunscreen stays put through sweat and water more than others ... Alvarez, however, doesn’t recommend it for people with oily skin since it leaves a shiny, dewy finish on the skin.

Failing to apply moisturiser with sun protection factor (SPF) and sunscreen properly to the face, particularly around eyes, could be putting people at risk of skin cancer, a study suggests.