Photo: Quasar Bio-Tech/PRNewsFoto
This image shows the opposite sides of the Clear Rayz electronic acne-fighting pod. The device, once available only to professionals, has been redesigned for home use. One side of the computer-mouse-size gadget has 40 LEDs that emit blue light at a wavelength of 415 nanometers; this wavelength has been shown to kill the bacteria that cause acne. On the other side are 40 red LEDs that emit light at a wavelength of 633 nm, which soothes inflammation so that breakouts heal faster.
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