1 tsp of baking soda. | 1 tsp of lemon juice
Instructions: Put a table spoon of baking soda in a bowl. Squeeze a lemon in a table spoon. Add lemon juice to baking soda. A foamy solution will result. With a paper towel on your finger, apply the solution to your teeth. After two minutes, your pearly whites will be bright and shiny! Make sure you don’t brush your teeth within 30 minutes of using this method.DO NOT keep the mixture on your teeth for more than two minutes – the acid is very potent and will cause tooth decay if you abuse this method.