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 ...

Red light therapy is a therapeutic technique that uses low-level wavelengths of red light to help treat skin issues. Numerous studies, such as this small study from 2023, have shown that red light ...

Red light therapy was first tested back in the mid-1960s, when a Hungarian physician named Endre Mester shined a low-power laser on the shaved skin of a mouse. Though he was testing for impacts on ...

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.