As you know, blue light damages your skin – here’s what you can do to protect yourself.

The screens of your phone and laptop give out something called “blue light”.


Blue light – also known as high energy visible light (HEV) – is visible light emitted from our phones and laptopsCredit: Getty

What is a “blue light”?

Blue light – also known as high energy visible light (HEV) – is visible light with a wavelength of 400 to 450 nanometers.

While this type of light is usually perceived as blue, it can also be perceived as white or another color.

Blue light comes from sources such as the sun, your smartphone, TV and fluorescent lighting.

Some experts are concerned about blue light because it has very short high energy waves.

Experts from Harvard University explained: “[Blue light] has more energy per photon of light than other colors in the visible spectrum, i.e. green or red light ”.

“Thus, blue light in sufficiently high doses is more likely to cause damage when absorbed by various cells of our body.”

What type of damage?

Studies have shown that blue light can disrupt the body’s circadian rhythm – or the physical, mental and behavioral changes that occur in our body over a 24-hour cycle.

The data also showed that blue light can have a detrimental effect on the skin and eyes, trans The next network.

In particular, skin damage can include pigmentation, inflammation and photoaging (skin damage).

Moreover, several studies have shown that conventional sunscreens do not protect against blue and visible light.

How to protect yourself

Currently, research on how to protect skin from blue light is limited.

However, many skin care companies claim that they can help mitigate the risks of blue light.

Dermalogica skin care brand, for example, recommends wearing a mineral sunscreen containing zinc oxide every day.

“This ingredient helps protect the skin from blue light. It also helps protect the skin from ultraviolet rays, which pose a great threat, ”the company writes. web page.

Dermalogica also noted that adding green matcha tea to your skin regimen can help “resist free radical damage” that comes from ultraviolet and visible light.

Meanwhile, some experts argue that glasses that block blue light can help prevent damage to blue light. Vogue.

However, please note that there is limited evidence to support this assertion.

Finally, daily time limits behind the screen can help keep your skin and eyes protected from damage from blue light.

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