Five years after Donald Trump declared a national COVID emergency, here's what the research says about face masks.

So you’ve splurged on one of the best LED face masks and want to be sure you get the most out of it? The good news is that dermatologists say these types of red light therapy devices really do work, ...

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 ...