Over the years, lifestyle habits including poor dental hygiene, smoking, drinking and more tend to dull the shine and brightness on otherwise sparkling white teeth.

The cosmetic procedure for teeth whitening these days however don't come cheap and not all whitening kits work magic but using baking soda is a tried and tested way to retain the whiteness.

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Here what to do in simple steps:

Repeat this process not more than once in a week and if you notice any sensitivity, discontinue use immediately.