which tooth whitener works the best out of Rembrandt and Crest?!
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I noticed more of a difference with Crest.
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I've always liked Crest, but thats just me.
they both work pretty good. Crest tastes a bit better though. I like Arm & Hammer best though. it works better than both of them. It tastes nasty though.
the crest strips work the best. I used thenm amazing! It takes about a week and your teeth will look really white. The tooth past suck and really has worked for me
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