does whitening your teeth really weaken your enamel?

what are the negative effects from using whitening strips?
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No, whitening your teeth do not weaken you enamel. The main ingredient used in most tooth whitening products is hydrogen peroxide. The way it works is it help you remove any extrinsic stain that is traped on your tooth surface. Frequent use of those tooth whitening products might led to tooth sensitivity. This is due to the fact that as the trapped stains got clear out from your enamel, the pores area within your enamel will be exposed by the removal of the stain, making the hydrogen peroxide have a better access to your dentin. Within your dentin, there are tubules which if stimulated will cause pain. This is where tooth sensitivity comes from. To solve this problem, simply use sensodyne toothpast, it will decrease your tooth sensitivity down a lot.
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