Prolonged screen time strains your eyes and disrupts sleep. But did you know blue light from digital devices can also harm your skin?
The day starts with checking your phone for emails, messages, and apps. At work, you spend hours at the computer. Recent studies reveal adults average 8.5 hours daily on screens, while millennials (born 1980-2000) clock in around 10 hours.
Read also: ‘Reduce 3x with your smartphone‘
Extended screen exposure means significant blue light from devices and LED lighting. Its short wavelength and high energy allow deep skin penetration, causing damage. Jetske Ultee, a cosmetic dermatology research physician, notes: “Studies show high-dose blue light generates free radicals, leading to pigmentation spots and wrinkles over time—similar to UV radiation, dryness, and pollution.”
Other research links screen light to redness and inflammation, but only at high doses. Ultee clarifies: “These study levels far exceed everyday exposure.” Daily apps or Instagram scrolling pose minimal aging risk.
Even minimal risks warrant skin protection. Sunscreens blocking UVA/UVB often shield against some blue light effects too, thanks to standard SPF inclusion.
Jetske Ultee: “Key blue light blockers include zinc oxide, titanium dioxide, and Tinosorb M. Iron oxide in foundations and powders helps too.” Maximize protection internally with antioxidant-rich foods (broccoli, eggplant, pomegranate, blueberries) or products containing vitamins C and E to combat free radicals.
Blue light isn't all bad—it mimics sunlight for vitamin D production and boosts mood. “It offers antibacterial properties, explaining its use in acne treatments. Recent studies show it improves blood vessels and lowers blood pressure,” Ultee explains.
Complete blue light blocking is impossible, but broad-spectrum creams with SPF30+ (protecting against multiple radiations, including blue light) come closest. Skip lower SPFs—they're insufficient. Also, take breaks: set your phone aside for eye and skin recovery.
Source: Santé March 2019 Text: Carlijn Biesemaat
