Being asked if LED devices are "worth it" is up there with the most asked questions that beauty journos are posed on the regs (see also, "Is the Dyson Airwrap worth it?"). And, you know what, I get it ...

While some studies have shown that the practice can have some health benefits, experts agree that more research is needed.

Infrared saunas claim to detox the body, relieve pain, and rejuvenate your skin, among other lofty promises. Do they deliver?

At-home red light therapy devices are sparking interest in this trendy skin treatment — but does it deliver on its promises? Here's what experts think.

Some users swear by the therapeutic regimen, but its broader benefits are unclear.