Baking soda has alkaline properties and it balances the pH in your mouth, protecting your enamel from the action of acids. Combined with lemon juice, who has bleaching properties, baking soda reduces the acidity of the lemon and makes your teeth whiter.
Remedy: Combine several teaspoons of baking soda with lemon juice or water. Remove saliva from your teeth by using a paper towel, then apply the paste made on your toothbrush. Brush your teeth gently and leave the paste for about one minute (3 minutes if you use water), then rinse thoroughly.
2- Strawberry, baking soda and salt
Due to its high level of vitamin C and malic acid, strawberries remove plaque and eliminate the yellow stains from your teeth. The salt and the baking soda are abrasive and act like a scrub, protecting the enamel from acids.