DIY tooth whitening: Mix a tiny bit of toothpaste with 1 tsp baking soda & tsp water. Brush teeth for 2 minutes. Do this once a week until you reach desired results. From then on, use the treatment once every month or two.
Another Pinner Wrote: DIY Teeth Whitening Remedy Dr. Oz Teeth Whitening Home Remedy: cup of baking soda + lemon juice from half of a lemon. Apply with cotton ball or q-tip. Leave on for no longer than 1 minute, then brush teeth to remove.