how much listerine for my brothe?!
my brother wants to drink some mlisterine mouthwash stuff how much do i give him??
Answers:
It's not meant for ingestion it can cause damage to the esophagus.
You are not supposed to drink it. If he is going to USE IT to refresh his mouth then half a cap full should be ok.
To drink? none, not for drinking. It is poison!