"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." What if I told you reversing hair loss was as easy as wearing a hat-like device for 15 minutes a day?

Light therapy is having a moment and, consequently, there are a ton of at-home skincare devices and tools—all utilizing different types of light like red, blue, green, amber, even purple—on the market ...

Turns out, the TikTokers may be on to something − and red light has been on dermatologists' radars for a while. "Red light is something dermatologists have been using for quite some time now," says Dr ...