how often should i use whitening strips?
hi! considering buying a natural whitening kit from Lumineux with a month's supply but i was wondering how long people tend to whiten their teeth for. is it something you want to do continuously or indefinitely? if you stop once you've achieved your optimal whiteness, will your text revert?
i've noticed that most at-home whitening kits are set for daily use for weeks-one month. i was just wondering if the process needs to be repeated once you've done it.
lastly, i've also noticed that some sources say that you should not brush your teeth before or after whitening. if that's true, when should whitening take place, then?
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