DIY Teeth Whitening by Tana :) DIY Teeth Whitening All you need is baking soda,A lemon,A teaspoon,A Q-tip or cotton ball. And a bowl.Squeeze a teaspoon full of fresh lemon juice and put it into the bowl. Take a teaspoon of baking soda and put it in to the bowl. Mix it up.Using your Q-tip/cotton ball, dip it in the mixture and apply to your teeth. Leave it on for two minutes. After two minutes has past, rinse it off with water. Voila, white teeth. I tried it and it works.Hope this made you laugh! XD ~ teensyt :)If you follow me, then I will follow you back.