Our experts explain the science behind red light therapy, and if it really works. Plus, we recommend some FDA-cleared red ...

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.

These light-emitting devices are all over the internet. We asked experts if they can reduce wrinkles, clear acne and more. By Melinda Wenner Moyer You’ve probably noticed this scene on social media: ...