You will know: You will know if it does. It probably won't, but if it does buy a new tube and store it in the warmest part of the refrigerator, top shelf on the door.
Answered 5/28/2016
1.3k views
No: The toothpaste will degrade faster in the heat but as long as its still good, it will be effective.
Answered 7/19/2017
614 views
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