![The secret symbol that tells you when your sun cream really expires - and it might surprise you | The Sun The secret symbol that tells you when your sun cream really expires - and it might surprise you | The Sun](https://www.thesun.co.uk/wp-content/uploads/2018/05/dd-composite-sunscreen4.jpg?strip=all&w=750)
The secret symbol that tells you when your sun cream really expires - and it might surprise you | The Sun
nhs.uk - The longer a bottle of sunscreen is open, the less effective it is at protecting your skin. If you're using the same sunscreen from last summer, check that it hasn't
![The secret symbol that tells you when your sun cream really expires - and it might surprise you | The Sun The secret symbol that tells you when your sun cream really expires - and it might surprise you | The Sun](https://www.thesun.co.uk/wp-content/uploads/2018/06/SM-COMP-SUN2.jpg)
The secret symbol that tells you when your sun cream really expires - and it might surprise you | The Sun
![The secret symbol that tells you when your sun cream really expires - and it might surprise you | The Sun The secret symbol that tells you when your sun cream really expires - and it might surprise you | The Sun](https://www.thesun.co.uk/wp-content/uploads/2018/06/SM-COMP-SUN1.jpg)