Several pieces of evidence have suggested that blue light can inactivate various pathogenic bacteria. Previously in vitro and in vivo studies using blue light in the spectral range of 400–470 nm ...

Derms reveal the answer.

Our deputy beauty editor tapped experts and enlisted a panel of testers to find the best LED face masks with skin-soothing red light therapy.

Researchers have designed and tested ‘human-centric’ LEDs that emit different wavelengths of blue light depending on whether it’s daytime or nighttime, reducing the disruptive effect artificial light ...

Red- and blue-light therapy is a popular treatment for dark spots, but a growing number of women say it’s the sneaky culprit ...