It makes sense that apple cider vinegar (ACV), which effectively works as a natural antibiotic and teeth/gum cleanser, would also be able to remove stubborn stains on the teeth. ACV is especially helpful for removing stains due to common culprits like coffee and nicotine (smoking). Studies suggest that for many with dark stains it even works just as well as commercial products as a natural teeth whitener. No wonder some report that after using ACV it looks like you just got your teeth professionally cleaned.
What’s the secret of ACV? It contains compounds including acetic acid, potassium, magnesium, probiotics and enzymes, which kill germs (dangerous “bad” bacteria) and at the same time foster the growth of beneficial “good” probiotic bacteria. Since it’s naturally acidic, it helps break down plaque or other substances stuck to the teeth. The pH of apple cider vinegar can remove stains from your teeth, which helps naturally whiten your teeth.
The key to using ACV for teeth whitening is to be consistent, using it for at least a month continuously in order to see the best results. However, be careful, as with all acids, it can remove the enamel on your teeth if you brush too hard or use too much. After brushing with ACV, you need to brush again with regular toothpaste, preferably a non-fluoride paste, or rinse your mouth out well. Take your finger and rub apple cider vinegar on your teeth for about one minute. Then rinse your mouth out with water or a hydrogen peroxide rinse.