Mix a small amount of baking soda with water to create a paste. Brush your teeth with the paste for two minutes and rinse with water.
Dilute apple cider vinegar with water and use it to rinse your mouth for a few minutes. Rinse with water afterward.
Rub the inside of a lemon or orange peel onto your teeth for a few minutes. Rinse your mouth with water afterward.
Swish a tablespoon of coconut oil in your mouth for 15-20 minutes, then spit it out and rinse with water.
Mix equal parts of hydrogen peroxide and water, swish it around in your mouth for a few minutes, and spit it out.
Brush your teeth with activated charcoal powder for two minutes and rinse with water.
Mash a few strawberries and apply the paste to your teeth for five minutes. Rinse your mouth with water afterward.
Mix turmeric powder with water to create a paste. Brush your teeth with the paste for two minutes and rinse with water.
Mix salt with baking soda and brush your teeth with the mixture for two minutes. Rinse your mouth with water afterward.
Mix a few drops of tea tree oil with water and swish it around in your mouth for a few minutes before spitting it out.