Why we love it: Of every LED mask we've ever put on our face, this is hands-down the most fancy. It has 770 LED bulbs, emits ...

LED bulbs come with big promises, like energy savings and lights that will last for years of use without burning out like old incandescents. Many of those promises are true, but we bet you've noticed ...

It's a step up from the QM8K, our pick for the best QLED TV for most people.

Smart light bulbs abound, letting you replace your standard incandescent bulbs with a variety of connected solutions that support phone and voice control. Back when we first started reviewing ...

I experimented with several red light therapy devices to see if they help wrinkles. I also spoke to dermatologists on the science behind the masks.