I've started to notice light-up LED acne patches hit the market, so when I came across the Light Activated Beauty (L.a.b.) Acne Light Therapy Patch ($20), I couldn't wait to try it. Light ...

Red light therapy is an anti-aging treatment that dermatologists love, so we asked them about how LED light therapy works, its benefits and what devices to try.

In dermatology, the most studied and widely used LED light therapy include blue (407-420 nm), yellow (570-590 nm), red (630-700 nm), and infrared (800-1200 nm). There is also green LED light, but ...