You do not need much to whiten your teeth naturally. it’s all very simple and easy to do without harming your teeth.
If you want to whiten your teeth fast then you can brush your teeth with backing soda. You have to mix little bit of backing soda with freshly squeezed lemon juice. Let the mixture bubble slightly.
Use a cotton swab to remove plaque from your teeth before brushing with this mixture.
Brush your teeth for a minute with the mixture and rinse your mouth thoroughly to remove the backing soda.
Do not leave that mixture on your teeth for more than a minute.
I had my teeth whitening done at Morgan & Rogers Dental Institute one year before and since then I used to follow this method for whitening my teeth at home.