Cool light blue shade, it’s a special teeth-whitening technology. the theory of the technology is using a blue light with wavelengths in 480 to 490 nanometer.
To shine the teeth with are done with special whitening materials. When the materials get through the enamel of the teeth to the dentanoyd, With the accelerated effect of the blue light, they deoxidise the color part in the dentanoyd. The dentanoyd then gains its original white color.
Browse around the site for more teeth whitening methods with blue light.