asked:
i just got this pack of tooth whitening powder..
The brand is Eucryl (USA) and it says to use it only 1-2 times a week.
So how long would it usually take to get rid of stains (mainly smoking) and whiten teeth?
How long does tooth whitening powder take to whiten teeth?
How long does tooth whitening powder take to whiten teeth?
asked:
How long does tooth whitening powder take to whiten teeth?
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