Unlike red light therapy, the blue light therapy works primarily at the skin's surface. It is considered safe and ...

“Blue light is ‘higher energy,’ which means each individual blue photon of light has more energy than a red photon.” There are many sources of blue light, including LED light bulbs and ...

Crucial to this process is the fact that higher-energy light (for example ultraviolet or blue) is converted to lower energy (for example yellow or red). Therefore, LEDs emitting red light cannot ...