3. Water and apple cider vinegar
In a glass of water, mash together half a teaspoon of apple cider vinegar. Use this mixture to rinse your mouth each morning before brushing your teeth.
The 9 Best Ways to Naturally Whiten Yellow Teeth at Home
In a glass of water, mash together half a teaspoon of apple cider vinegar. Use this mixture to rinse your mouth each morning before brushing your teeth.