Cheryl Lythgoe, Society Matron at Benenden Health, warned of a standard mistake that many individuals make with regards to SPF.

"A common mistake that people make is not realising that sun creams do have an expiry date," stated Lythgoe.

"To find out this vital detail, all you need to do is look for the symbol that looks like an open jar on the sunscreen bottle," she elaborated.

"This has a number inside that tells you how long the product should be used after it has been opened."

For instance, should you see "12M", this implies the solar cream needs to be used inside 12 months of first being opened.

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"After that time, the sun cream becomes ineffective – no matter how high the sun protection factor is," Lythgoe warned.

"So, we recommend writing when you first open the sun cream on the bottle for future reference."

Another frequent mistake will not be making use of solar cream correctly, which requires "around seven teaspoons" to cowl your complete physique.

Then individuals ought to reapply "every two hours or so, if you're spending all day in the sun".

Lythgoe added: "Even when you are using a high SPF, we always recommend you keep topping up throughout the day.

"If persons are out and in of the water, they need to improve software."

Even on cloudy days, people should still wear sun cream as sunlight penetrates through the clouds and "even glass".

Lythgoe said: " If the pores and skin will not be protected, UV rays can step by step injury the pores and skin, inflicting wrinkles and rising the prospect of creating pores and skin most cancers."

What is SPF?

SPF (solar safety issue) measures how a lot UV radiation it could take to burn protected pores and skin in comparison with unprotected pores and skin.

For instance, should you apply SPF 50 sunscreen, it ought to take 50 instances longer to your pores and skin to burn within the solar in comparison with unprotected pores and skin.

Everybody ought to put on solar cream each day that they go exterior to assist defend the pores and skin.

If you discover a mole or a brand new mark on the pores and skin that's altering in look, do ebook a health care provider's appointment.