Why do some methods of whitening make teeth hurt?
While trays and strips can be effective vehicles to hold a peroxide teeth whitening gel against the teeth, the majority of people who use them experience tooth sensitivity. That’s because this method creates a barrier between the tooth and saliva and prevents proper tooth hydration. Luster eliminated trays or strips by creating a patented gel formula that stays on your teeth for the necessary amount of time and allows proper tooth hydration.
