2 doctors weighed in:
How long should can I leave 36% carbamide peroxide on my teeth?
2 doctors weighed in

Dr. Jake Richards
Dentistry
1 doctor agrees
In brief: About 1 hour
Most whitening materials will lose most of their potency after about an hour. Some people think that they can leave it on for hours and it will continue to work but that isn't true.
It is a chemical reaction that has an end.

In brief: About 1 hour
Most whitening materials will lose most of their potency after about an hour. Some people think that they can leave it on for hours and it will continue to work but that isn't true.
It is a chemical reaction that has an end.
Dr. Jake Richards
Dr. Jake Richards
Thank
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