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.

LED masks seem to be the “it” skin care device of the moment. In general, they’ve been shown to stimulate skin’s collagen and elastin production using specific wavelengths of light, which correlate to ...

Adding a molecule normally used in detergent to an infrared LED could make devices that are easier to manufacture, require less energy and display richer colours than existing ones. Solar cells and ...