Dilute apple cider vinegar with water and swish it around in your mouth. It can help eliminate plaque buildup and reduce yellowing over time. Brush your teeth with activated charcoal powder. Its ...

Use hydrogen peroxide as a mouth rinse Some hydrogen peroxide uses aren't intuitive, but they still work! Hydrogen peroxide ...

Finally, I came across a stain removal hack for enamel cast iron that I hadn't seen before, but that seemed perfect for my needs: baking soda and hydrogen peroxide. After some research ...

Chris Salierno, chief dental officer at Tend, told me in an email that hydrogen peroxide or carbamide peroxide are “most effective in a gel form that is held against your teeth (think ...