The most common toothpaste ingredient is fluoride, which protects against cavities. Choose a toothpaste with calcium carbonate or hydrogen peroxide if you want to whiten your teeth. Avoid toothpaste ...
Hydrogen peroxide whitens your teeth by removing stains and brightening them. Toothpaste with 1% hydrogen peroxide effectively whitens teeth. Long-term use of hydrogen peroxide may cause tooth or gum ...
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