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.

Blue light from LED lamps and consumer electronics can mess with your sleep because it disrupts production of the natural sleep hormone melatonin. Tinted glasses or displays in night mode can mask, ...

Red light range: Pay attention to the wavelengthsred light typically falls between 630660 nanometers, while near-infrared is usually around 830 nanometers, says Dr. Henry. Look for masks that fall ...

We all know that great feeling of sunlight on your face, but you may not realize that light can be surprisingly powerful medicine. And each color of light can be used to treat different skin and ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Red light therapy has long been touted as a skincare miracle worker for its ability to boost collagen and ...