Light therapy originated when NASA scientists began using red and blue LED lights for growing plants in space. The astronauts noticed that abrasions on their hands seemed to heal quicker than ...

For example, when red, green and blue LEDs are combined, they produce white light. Another method uses a blue LED and yellow or red phosphors. For a long time, LED bulbs were much more expensive ...

Purple LED light therapy combines red and blue light, meaning it offers benefits, like acne treatment, reduced inflammation, and improved overall skin health, making it a versatile option for ...

Featuring Shark’s iQLED technology for even and effective coverage, the LED light therapy facial device delivers four treatments that combine red, infrared and blue lights for addressing fine ...