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Re:Show HN: I invented a caffeinated toothpaste by jamiepenney on Thursday September 15, 2016 @06:28PM (#12510375)
For children, it works better in the water as you're trying to get flouride to the developing adult teeth rather than their baby teeth.
Re:Show HN: I invented a caffeinated toothpaste by koytch on Thursday September 15, 2016 @07:14PM (#12510641)
You may be right, but as I get it, the entire American population gets to drink fluoridated tap water, not only children. A stinking Commie plot, if I ever saw one.