Why Wearing Sunscreen Indoors is Essential!
- Publish date: Monday، 24 May 2021
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Skin care for both men and women is essential, we all know about the basics such as drinking water, staying hydrated and applying sunscreen, But do you know that sunscreen is not only to be applied when outside?
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Sunscreen is also essential for indoors it is not only the UVA and UVB rays that damage the skin, its also prone to damage caused by blue light which is emitted by electronic devices like laptops and phones.
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Blue light, the kind emitted from screens, is a type of high energy visible light, or HEV. While blue light is strongest from environmental sources like the sun, there are studies that show electronic screens can have similar effects.
“Blue light causes a slightly different type of damage. It causes generation of reactive oxygen species which damages collagen, causes wrinkling, pigment changes and laxity,” said Michele Farber, a dermatologist at Schweiger Dermatology Group in New York. The sun, on the other hand, causes photoaging to a greater degree than blue light, and can also induce skin cancers, she said.
Blue light increase signs of aging, such as hyperpigmentation, collagen breakdown, redness, inflammation, swelling/edema and oxidative stress in the form of free radicals.
Blue light’s sleep-disrupting qualities have a direct effect on skin, such as Watching TV and using our phones at night also disrupts our sleep-wake cycle, and lack of sleep also results in hormone fluctuations that can flare skin conditions and can accelerate aging. Even exposure time as short as an hour can cause oxidative stress in skin cells that leads to aging. Other studies show that humans are exposed to enough blue light in the course of a normal day to decrease carotenoids (an antioxidant) in skin, which increases free radicals which causes skin damage.
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