How to make your own teeth whitening strips?

Would using TWO Crest 3D whitening strips make any difference in my teeth?

  • I've bleached my teeth in the past & my teeth are already pretty white, but do u think if I used 2 of the whitening strips it would make my teeth any whiter?

  • Answer:

    No. The concentration of carbamide peroxide remains the same no matter the quantity used. It will take longer to completely inactivate the chemical if you use more, but it will be a waste of money. Your result will not be any better than if you use one.

Nat_M at Yahoo! Answers Visit the source

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Other answers

Yes, if you blend them they will disolve into eachother and give you twice the stain-fighting power.

Jtheunknown

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