1. Doctors said that there are currently two kinds of 308nm excimer laser, one is the traditional 308 light, the other is the American 308nm excimer laser, and these two technologies have obvious differences in the treatment of white spot disease. The traditional UV lamp, the formation of light waves in a certain range, for children and special parts can not be used.

2. Xenon chloride 308nm excimer laser uses xenon chloride gas as the light source, and the light emitted by the lamp probe is green. This kind of inert xenon chloride gas is very high, the formation of light waves without impurities, and always remain at 308nm, no population, site restrictions, especially for those who are not suitable for long-term medication, not suitable for doing melanin planting patients, is also pregnant women, children and other patients with white spot disease of choice.