General Question

MrGV's avatar

Do expired crest whitening strips still work?

Asked by MrGV (4170points) June 23rd, 2009

I don’t want to waste it.

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8 Answers

casheroo's avatar

It’ll still work, the strength might be weaker though.

eponymoushipster's avatar

it turns your teeth eggshell, rather than white.

MrGV's avatar

lol thanks time to try it

mcbealer's avatar

I’ve always wondered this myself, please let us know how it works out!

MsProtoge's avatar

I don’t know, but I’m scared to try any teeth whitening product. My science teacher told me that it eats the enamel of your tooth. O.o

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