![]() ![]() ![]() Free radicals are molecules with unpaired electrons most are unstable and highly reactive.Exposure to blue light increases the generation of reactive oxygen species (ROS), including free radicals.The answer is due to oxidative stress - the imbalance between free radicals and antioxidants - upon irradiation with visible light. Now you know that frequent screen time does your complexion a disfavor, but you might be curious as to how exactly blue light damages skin. Blue light harm is not exclusive to skin its impairment on the circadian system and eye physiology are also well-documented. However, studies reveal that longer exposure to high-energy blue light can increase the amount of DNA damage, cell and tissue death, skin barrier functioning, and photoaging. The HEV wavelength has an antimicrobial effect and is often used as an FDA-approved acne treatment due to its scientifically proven ability to kill the P. If you combine the repeated exposure at work with the daily exposure from the sun, digital devices, LEDs, and fluorescent lights, the accumulative blue light effect on skin can be very substantial. Murad notes that just seven minutes of unprotected sun exposure at 1:00 PM can give you an immediate tan. Murad, if you were to spend four eight-hour workdays in front of a computer, you’d be exposed to the same amount of energy as 20 minutes in the midday sun. Yes, recent studies have proven that exposure to blue light can have adverse biological effects on skin in as little as one hour. ![]()
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