Expatriate international medical insurance customers may wish to purchase sunscreens with a sun protection factor (SPF) of at least 30.
Bevis Man of the British Skin Foundation said people quite often fail to apply this product thickly or liberally enough to accurately reflect how it was tested, so this high SPF is required.
Furthermore, sun lotion has a UVA rating on the back of the bottle to reflect its efficacy of absorbing ultra violet light.
Consumers ought to purchase items with "four stars, or even better, five", as this demonstrates the "level of UVA protection relative to the SPF number", he explained.
Research from Rutgers University found caffeine applied to the body reduces the risk of mice suffering from cancer due to the sun and may therefore also have potential uses for humans.
Scientists believe this works by inhibiting a protein enzyme called ATR, which is located in the skin.
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