Many people have been to the dentist for teeth whitening sessions know of the dangers UV light can pose to your eyes and skin. This is why filtering goggles, and face shields are sometimes used to protect patients form the harmful, DNA mutating effects of UV light that is used to whiten the teeth more effectively. Light treatment as it is called cannot succeed if it were not for UV light but patients should be warned that any part of the face that is not to be leached should be covered with UV absorbing material to prevent burning your skin and losing your eyesight. UV light used for such cosmetic teeth whitening is 4 times more powerful than that which the sun rains down upon us. Having said this, people should be aware of the added dangers this effective procedure does work hopefully not on your skin and eyes for your sake.