![]() Hyaluronic acid, plant-based squalane, niacinamide, and 12 percent zinc oxide block blue light and UV rays. #Black light screen skin“Long-term exposure to concentrated sources of blue light energy can cause skin damage, including color changes, inflammation, and weakening of the skin's surface,” adds NYC board-certified dermatologist Ellen Marmur. But when high amounts of blue light are emitted (say from our computers and phones), it can damage deep layers of the skin and cause premature aging and skin cancer. Like the UV rays emitted from the sun, blue light has a short wavelength. Digital devices, including our cell phones and computer screens, also emit blue light but in smaller quantities so we don't see it as intensely as the sky’s blue hue.” “The sun emits large amounts blue light, which is why the sky is blue. “Blue light, also known as Artificial Visible Light (AVL) and High Energy Visible Light (HEVL), is the spectrum of light that is very close in wavelength to ultraviolet light,” says Loretta Ciraldo, a Miami-based dermatologist and the co-founder of her eponymous skincare line. We spoke with experts about the harmful light, how it impacts your skin, and the ways you can protect your skin from the damage. If blue light radiation is news to you, don’t fret. “I caution my patients when using their devices because screens may inadvertently emit UV light, which is known to cause skin cancer.” “Blue light has high energy and therefore is able to penetrate deep into the skin,” says dermatologist Macrene Alexiades, an associate clinical professor at Yale University’s School of Medicine and the director and founder of the Dermatology
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