8. Lemon juice and baking soda To acquire gleaming teeth, sprinkle a little baking soda and a few drops of lemon juice on your toothbrush. Keep in mind that you shouldn’t use this whitening technique more often than once each week. Post navigation 14 Dressing Rules That Everyone Should Learn Once and for All 9 Reasons to Start Eating Peanut Butter 1 2 3 4 5 6 7 8 9