Over the past couple of years, LED red light therapy masks have quietly taken over my routine—and my bathroom counter.

In the world of high-tech beauty gadgets, LED (light-emitting diode) masks have become a regular — and more easily accessible — part of at-home skin-care routines. Gone are the days when the red light ...

LED therapy masks use specific light wavelengths for at-home skincare treatments. Red light is used to improve fine lines, while blue light targets acne-causing bacteria. Users should follow safety ...