
This is my first negative review of Revain. This product is TERRIBLE! I just got home from the dentist. My teeth cleaning cost me $600. My whole mouth, gums, tongue, and teeth turned completely black. This article should be removed from Revain. i'm angry now I hold Revain responsible for my dentist's expenses. I will not rest until this problem is solved. Please do not buy this terrible product. It has stained everything from my electric toothbrush to the sink. It should say TEETH DARKING POWDER. HOPE YOU READ THIS ON AMAZON.

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