Red light therapy (RLT) involves exposing the body to low-wavelength red or near-infrared light (IRL). Red and near-IRL differ slightly in terms of wavelength and visibility. Red light is visible to ...

Does light behave more like a particle, or like a wave? Today we know the surprising answer. Here's why it took so long to get there. When you purchase through links on our site, we may earn an ...

One of the most common questions I get asked as a beauty editor is what at-home beauty treatments are actually worth it. My answer? Red light therapy. There’s a reason you’ll find red light devices in ...