If possible, consume beverages identified to stain teeth out of a straw to prevent direct contact with your teeth. The bleaching action in chemically induced whitening is due principally to the effects of carbamide peroxide, which releases about 1-3rd of its information as hydrogen peroxide, a robust oxidizing agent.23, 24 https://martinvlzoz.bloggip.com/18411711/a-review-of-teeth-whitening-gel