It might sound weird, but should you be wearing sunscreen even though we're all indoors right now? You might be surprised!
Do You Need to Wear Sunscreen Indoors?"There are different types of ultraviolet rays that affect the skin,” says Dr. Hale. “We mostly talk about ultraviolet A and ultraviolet B rays. People classically think about UVB rays because they are what cause sunburns in the summer time. In reality, UVA rays are what cause sun damage regardless of the season of the weather because they have longer wavelengths that penetrate through clouds. By similar logic UVA rays also penetrate through windows.
"Because UVA rays penetrate deeper into the skin and cause DNA damage, they break down collagen and elastin," Dr. Hayag explains. "This makes them responsible for accelerated photodamage including: wrinkles, leathery skin, sunspots and skin cancer." While blue light is a newer phenomenon, there are reports that frequent exposure can contribute to pre-mature signs of aging. "Even short exposures of blue light can increase a generation of reactive oxygen species, which breaks down collagen and elastin, and cause DNA damage, leading to DNA mutations which subsequently can cause skin cancer and aging," says Dr. Hayag.
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