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How to Choose Sunscreen in Winter?

Nov. 12, 2020

Although autumn and winter season still want strict prevention to bask in, this does not mean, we still need to be as extreme as summer!

As the sun's direct rays gradually move to the southern hemisphere, the ultraviolet and infrared rays of those in the northern hemisphere are bound to diminish, the temperature drops, and we sweat less, so there's no need to seek out the sunscreen's water-repellent properties. Non-waterproof sunscreens are usually less burdensome than waterproof ones.

Accidental exposure to the sun -- the kind you experience in daily traffic -- can accumulate fine lines and sagging skin. Research shows that putting on a thick layer of SPF is just as important for those holed up in the office as those who go skiing or walking in the snow on winter weekends.

Dendy Engelman, a dermatologist in New York City, said recent data showed that pigment cells can be stimulated not only by the sun's bright ultraviolet rays but also by the low-dose ambient and infrared light emitted by computer screens or overhead lights. "People used to think, 'What's the point of wearing sunscreen in the winter? 'Especially in Manhattan, where you never see the sun, "Engelman explains. "But now we know that even if your office lights are on, your phone screen can be harmful."

Before you rush off to the store to pick up some cold-weather-friendly sunscreen, you may want to know exactly what to buy. If you already have a favorite thick cream for the day, a simple powder on top can do wonders: Peter Thomas Roth's SPF45 Quick-acting Mineral powder dusts easily on the skin with a built-in brush, providing a smooth, matte finish; Engelman suggests reapplying during your lunch break.


At the same time, we should also try to choose some low-power sunscreen, after all, the higher the protection of the sunscreen (SPF ↑ PA ↑), which means the higher the amount of sunscreen added, which may also be heavier on our skin. The high multiple that brushed a whole summer is prevented bask in, might as well take advantage of winter, take a breath to the skin well.

And the difference between SPF 15 and SPF 50 isn't as big as you might think! In cosmeceuticals, a book by a leading dermatologist in the United States, there is a link between SPF (sun protection factor) and UV blocking. For example, AN SPF of 15 blocks 93% of UVB rays, while an SPF of 45 increases that to 98%!

But the smart ones, of course, know that THE SPF represents only UVB protection and that the more dangerous uv radiation for our skin is UVA (which causes blackening and aging). In sunscreen, UVA protection is generally replaced by PA, a + plus represents the protection intensity of 4 hours, like our daily commute, choose PA++ is about the same.

So in autumn and winter, we can choose within the range of "SPF30 PA++".

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