OMG, I’ll be poisoned if I brush my teeth! And that’s not even counting the Fluoride Conspiracy!
It’s antifreeze, and while it’s toxic, they reckon it only poses a threat to those with existing liver or kidney problems. And it only affects these rather obscure brands: Cooldent Fluoride, Cooldent Spearmint, Cooldent ICE, Dr. Cool, Superdent, Clean Rite, Oralmax Extreme, Oral Bright, Bright Max, and ShiR Fresh Mint.
[ NYTimes.com ]