It's no secret that once we hit 40, our skin starts going through some pretty rough changes. Those pesky crow's feet around our eyes seem to appear out of nowhere, once-cute freckles are now joined by ...

I spent 6 months testing 13 red light therapy masks and wands. Here's how these devices compare in terms of LED strength, ...

LED therapy masks use specific light wavelengths for at-home skincare treatments. Red light is used to improve fine lines, while blue light targets acne-causing bacteria. Users should follow safety ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? At the simplest level, different colors of light have different wavelengths.

Sweeney is a contributor for TIME. Sweeney is a contributor for TIME. If you’re always on the lookout for the latest skincare gadget, you may have already tried facial rollers, sculpting wands, and ...

A new therapy is showing promise for the treatment of mental illness and neurodegenerative disorders. This treatment, which consists of a blue dye and red light, may improve disorders ranging from ...