Put a tiny bit of toothpaste into a small cup, mix in one teaspoon baking soda plus one teaspoon of hydrogen peroxide, and half a teaspoon water. Thoroughly mix then brush your teeth for two minutes. Remember to do it once a week until you have reached the results you want. Once your teeth are good and white, limit yourself to using the whitening treatment once every month or two."
This is the ultimate stain remover that actually works on a seriously set in stain! Never buy oxyclean again! The mixture is 1 tsp. Dawn dishwashing detergent 3-4 tablespoons of hydrogen peroxide couple tablespoons of baking soda. Scrub on with a scrubbing brush :)