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You're not applying suntan lotion correctly, say scientists

26/07/2018

As temperatures soar across parts of France, what better time than now to talk about the importance of sun protection? Especially as new research from London suggests people are not getting as much protection from suntan lotions as they could because they are applying them incorrectly. According to researchers from King’s College London, people simply aren’t putting enough suntan lotion on their bodies. The researchers say that SPF15 lotions should, in theory, provide adequate protection, but many people apply them too thinly, which is why, in reality, they need SPF 30 or 50 to be safe. SPF ratings are based on suntan lotion being applied correctly. A 2mg blob should be used to cover 1 sq cm of skin. So, the average person should use around six full teaspoons (36g) to cover their entire body. Extra care should also be taken when applying lotion to areas that get a lot of sun exposure, such as the ears, nose and neck. Furthermore, suntan lotion should be reapplied at least every two hours and immediately after swimming. This is because while many lotions claim to be water resistant, towel drying often removes large quantities. Nina Goad, of the British Association of Dermatologists, said: "This research demonstrates why it's so important to choose an SPF of 30 or more. "It also shows why we shouldn't rely on sunscreen alone for sun protection, but we should also use clothing and shade."

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