Getting to a dermatologist these days isn’t as easy as it used to be, but there’s one skin-care trend that can come to you: LED light therapy. It was once exclusively available at the doctor’s office, but thanks to the best LED light therapy devices, you can get all the perks without leaving your couch—and the rewards are many. Red LED light triggers collagen production and reduces inflammation, while blue light treats acne by killing the breeding bacteria that causes breakouts. LED light therapy can also help repair cell damage, improve skin texture and brighten your complexion. There are many at-home devices that incorporate both red and blue LED light, as well as other options, so you can treat acne and fine lines all at once. If you’re worried about getting burned, don’t fret—there are no ultraviolet rays in LED light therapy masks. LED light therapy masks and devices have come a long way and now offer the same professional technology at home, though getting a treatment at the doct...