Depends who you ask. I actually just ordered that flavor yesterday, specifically because it has those custard-note ingredients. They taste sooooo good; there is no substitute.
The issue is this: everyone knows that the Dreaded D & related molecules are harmful to inhale... in principle. The question is, how much must one inhale to incur negative effects? How much is in a flavoring concentrate, and in a mixed bottle of niquid? Will simple inhalation of any amount of this stuff cause harm, or must one inhale outrageous quantities to bring said harm?
Based on what I have read here and elsewhere [citation needed], I have tentatively concluded that this is just like the old aspartame scare, where we have a compound that is technically harmful but that the necessary quantities needed to actually hurt anything are so high that no person (who doesn't spend 8 hours a day in a popcorn factory) will ever be in real danger of harm.
Personally, I am angry about the whole thing because I cannot easily find flavorings with said custard notes, and those are exactly what I want to
buy. This vanilla bean ice cream, waffle, and ONE cream flavor were all I could readily find. It's cool and respectable that people don't want to take a chance and use these compounds, but don't spoil the fun for everybody else; too much vendor harassment! After all, nobody ever tried to take sweet & low off the market, and that stuff hasn't killed me yet.
