put a tiny bit of toothpaste into a small cup, mix in one teaspoon baking soda 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.
Being a college student, I desperately need these. Not only does it mark your page, but it marks the last word you read.