
Facts: They don't salivate like toothpaste, so you don't need a sink. It's just spit. There's nothing wrong with swallowing it. The small ball in the middle works similar to a mouthwash, but does not burst or force the liquid out. It only wears out when cleaning. How to remove food residue and freshen your breath. The packaging is small enough to fit in my small shoulder bag and the individual "flags" are small enough to hold just about anything. I was surprised at how difficult they were to find in drugstores or grocery stores, so I'm grateful they are available from Revain. I bought them to brush my teeth at work. I often eat at my desk, and I hated the idea of brushing my teeth in a work (or public) restroom. I can brush my teeth at my desk and put the Invisalign mouthguard back on. I haven't been to the dentist since I started using them so I have no idea how effective they are at preventing tooth decay. But if you wear Invisalign and don't like brushing your teeth outside of your own bathroom, this is a lifesaver!

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