PARIS, June 30 — While most TikTokers are currently looking for tricks to boost their tan this summer, others are reminding us of the importance of protecting ourselves from the dangers of the sun. One new trend is ‘SPF layering’, which involves applying several layers of sunscreen to prevent residue on the skin and ensure optimum protection. But how effective is it really?

Layering is a technique well known to fashion and beauty fans, which involves building up several layers of cosmetics or clothing, whether for reasons of effectiveness or style. Shunned in the skincare world in recent years in favour of more minimalist routines, the method is back in the spotlight this vacation season to help people protect themselves from ultraviolet rays. So forget layering serums, moisturisers and other beauty products, because this trick is about applying several layers of sun protection. And this ‘SPF layering’ hack has already racked up several million views on TikTok.

Preventing pilling

It may seem surprising, but this new trend involves applying two or three coats of sunscreen to the face to ensure optimum protection and prevent the material from pilling on the skin. This is a particularly unappealing effect, especially if you decide to wear makeup on top, but it’s one that users of the Chinese social network are determined to do something about. As such, the user Abbey Yung, who describes herself as a “trichologist in training,” has come up with a tip that has gone viral. In a video viewed more than a million times, the young woman explains that putting on two layers of sunscreen makes it possible to get rid of cream residues on the skin, induce better absorption of the product, and ensure that a sufficient quantity of it is applied.

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@abbeyyung Not taking any risks when it comes to sun protection! #sunscreen #sunscreentips #spf original sound - Abbey Yung

Experts certainly agree on one point: we don’t apply enough sunscreen, which reduces its effectiveness. According to French consumer group UFC-Que Choisir, 2mg of sun protection should be applied per square centimetre of skin, whereas the average person tends to apply just 0.5mg. However, it’s difficult to know exactly how much sunscreen should be applied, or what 2mg really looks like, which is why ‘SPF layering’ can be helpful in meeting people’s needs. In any case, this is one of the reasons put forward by users of the Chinese social network who have tried and tested the tip.

Two SPFs are better than one

While it’s easy to understand why some people — particularly those with dry or oily skin — want to limit the formation of residues on the skin, it’s important to point out that a single layer of sun protection, if applied in sufficient quantity and with the right SPF, is more than enough to protect the skin from the sun’s harmful effects. That’s provided, of course, that you remember to reapply every two to three hours. However, this TikTok layering tip is in no way dangerous, and can therefore be used by anyone who wants to make extra sure they’re protected.

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When it comes to the amount of sunscreen that should be applied for a truly protective effect, it’s important to respect the 2mg per square centimetre of skin. This corresponds to two teaspoons, or half a tablespoon, for the whole face (including the nape of the neck, neck and ears). And if you don’t have a spoon to hand, simply squeeze out a line of product along your middle and index fingers to get the (almost) right amount.

Another thing to know if you’re a fan of SPF layering is that sun protection factors can’t be added together. Just because you layer two SPF 15 products two minutes apart doesn’t mean you’ll get an SPF 30 — far from it. In fact, you’ll only be protected with an SPF 15, nothing more. That’s an important thing to keep in mind when seeking effective protection against the damaging effects of ultraviolet rays. — ETX Studio

@izzychen ever wondered what spf 15, 30, 50 etc even means? well here is your quick explainer! #skincaretips #sunscreen #sunprotection #koreanskincare #sunscreenstick #viralsunscreen #beautyofjoseonsunscreen original sound - izzychen