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At-home teeth whitening products offer a convenient and effective way to achieve a brighter smile. Many options can lighten the shade of your teeth as well as a professional treatment could, and often at a fraction of the price. We’ve asked several dentists to break down the best teeth whitening kits on the market. These recommendations often feature active ingredients like hydrogen peroxide or carbamide peroxide to lift stains.
“Hydrogen peroxide is the main ingredient in most tooth-whitening products,” says dentist and If Your Mouth Could Talk author Dr. Kammi Hoss. “Products containing peroxides, such as hydrogen peroxide and carbamide peroxide, act as bleaching agents to change the color of teeth. Peroxide can partially penetrate the layers of teeth, removing compounds that cause discoloration.” According to Hoss, most over-the-counter products feature a range in concentration from 3% to 10%, while dentists typically offer treatments with concentrations up to 40%.
Keep in mind that these aren’t a substitute for routine dental cleanings and exams, but maintaining those can certainly help. “Those who see their dentist regularly, brush twice a day and floss regularly will be able to keep the whitening effect lasting longer,” says cosmetic dentist and Silicon Beach Dental founder Dr. Lawrence Fung. “For some people, the brightness can last a month or two, while for others it may last up to six months.” Ahead, find the best teeth whitening kits for getting a more radiant smile, according to experts.