Teeth whitening strips do have the tendency to expire which is why it should be used regularly and the best before date should be checked upon purchasing it. It is not unsafe to use teeth whitening strips that have passed their expiration date, but it is not advisable from dental professionals. The strip itself tends to grow weak and it might even break when you start to use it. The whitening gel that the strip is coated with can also weaken which means that you will not get the bright smile that you hope for.

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If you are not sure if our whitening kits are right for you give us a call to discuss your concerns. Our team is more than happy to discuss our services products via email.