Carbamide peroxide (also known as urea peroxide) is the most popular bleaching agent used for teeth whitening. The main and active ingredient in carbamide peroxide is hydrogen peroxide. This ingredient has the effect of oxidizing stains, which leaves teeth looking whiter. There are many products and procedures which make use of carbamide peroxide. Dentists usually use a product with carbamide peroxide when undergoing in-office teeth whitening. It is also used in over-the-counter bleaching products, but in a much lower dosage.
