Mrs. dleeny
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Crest White strips
do you really have to use them twice a day, or is once enough to see results?
evnme
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Re: Crest White strips
i used them a few years ago and i did it 2x per day and it worked great!
Mrs. dleeny
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evnme
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kaklesmay
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Re: Crest White strips
I do them once a day when I get them and it works great.
My teeth get too sensitive when I do twice.
Mrs. dleeny
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