LED, or light emitting diode therapy, is a skincare treatment that uses varying wavelengths of light, including red and blue. NASA originally developed it for plant growth experiments on shuttle ...

They look otherworldly — like a Star Wars Stormtrooper’s helmet — and promise to give you clearer, smoother-looking skin. LED light masks are exactly what they sound like: devices illuminated by LED ...

If LED masks seem like an unnecessary beauty luxury, skin experts say that there's proven science behind the trendy at-home treatments. While some are used to target specific skin concerns, others ...