Complexion got you feeling blue? TikTokers swear by blue light therapy for their skin to reduce acne and boost collagen production, and — unlike some other online skincare trends — experts say this ...

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 ...

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.