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Review title: STAY AWAY! Not worth the low price!
Product review: Absolutely awful. The worst whitener I've ever used. I got 20 minutes into the first tray and nearly died from the pain. The goo is too firm and doesn't spread evenly, so it just pools and collects unevenly on the teeth and gums. The flimsy little tray does not conform to your teeth and just causes more problems.In the past I've used Crest as well as Rembrandt, both with decent results. I think from now on I'll stick with Crest. It's very expensive but worth EVERY penny.
