When you flip a switch or power up your smartphone, the last thing on your mind is whether that light could be messing with your body's internal systems. Yet here's something lighting manufacturers ...

They look otherworldly — like a Star Wars Stormtrooper’s helmet — and promise to give you clearer, smoother-looking skin. LED light masks are exactly what they sound like: devices illuminated by LED ...

LED light therapy is a popular noninvasive skin treatment for acne, sun damage, wounds, and other skin problems. People can choose to have LED light therapy at a dermatologist’s office or to use a ...

Blue light is a high-energy part of visible light from the sun, screens, and light-emitting diode (LED) bulbs. Your cornea and lens don’t block blue light the way they block ultraviolet (UV) rays.

“Teen Vogue” is celebrating its annual Acne Awards this week with a series of stories on all things acne. From knowing when to pop a pimple to understanding why some people get breakouts and others ...