I use Listerine rather religiously and last night I realized I never really know if I'm using too much or too little. On the back of the bottle the instructions say:
Vigorously swish 10ml (2 teaspoonfuls) of rinse between your teeth for 1 minute and then spit out
Now, when I pour out Listerine for my twice-daily hygiene regimen, I just use the cap. I mean, what else would I use? It's built with a deep well for a reason, right?
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| Fill me! |
However, I look in vain for measuring marks on the cap - which, by the way, is black, so you couldn't see them even if they were there. C'mon, McNeil, help a brother out.
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