Wellness influencers tout the therapy's power for everything from rejuvenating skin and hair to boosting longevity. Devices sold for at-home use abound. We look at the evidence behind the hype.

Are these skin care devices all hype, or are there science-backed benefits?

Snake oil: a product that promises everything and delivers nothing. Are red light therapy and saunas in this class of ...

From futuristic-looking masks to crimson-glowing bedside lamps, red light therapy is taking over social media feeds with a range of wellness promises. Many creators promote red light exposure as part ...

Red light therapy is gaining popularity as a tool for supporting overall wellness, from improving skin health to easing sore muscles. Social media videos of people in glowing red light therapy masks ...

Red light therapy has gone from dermatology clinics to the wellness world, promising everything from younger-looking skin and thicker hair to weight loss, pain relief, better sleep, and even improved ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Case in point? At-home LED tools, which now come in every color imaginable—red, blue, green, amber, even ...