This article is a part of CNN Underscored’s Guide to Age-Defying Beauty, a weeklong focus on the essential products, tips and tricks to enhance your glow at any age. We’ll be featuring editor-tested ...

LEDs are a wonderful technology. You put in a little bit of power, and you get out a wonderful amount of light. They’re efficient, cheap, and plentiful. We use them for so much! What you might not ...

The thing about LED light therapy masks is that most of them are, frankly, quite similar. I should know since I've tested ...

LED lights are everywhere, and you might be considering adding more of them to your home. Just how serious are the risks to ...

LED lightbulbs have slashed the amount of energy we use to light our homes. New data illustrate just how much. Jon is a managing editor for CNET's news and AI teams. He previously led CNET's home ...

Smartphones may give us an easy access to a light source, but for seeing objects at a distance or brightening a workspace in places like the attic or under the sink, you need the power and range of a ...

There are few beauty devices as popular as LED face masks right now. With versions that offer red light therapy (and in some cases, near-infrared and blue light modes), these devices promote a host of ...

Upon a glance in the mirror as you use an LED mask, it might appear that you’re wearing a serial-killer costume. While obviously it makes sense to laugh about the fact that, yes, you look a little ...

LED lights can make camera footage look strange, especially indoors or in slow motion. Here's why the flicker appears and ...