Originally Posted by
IceLeopard
You dont need to be unless you are making the mayo yourself (and how many people do that? Homemade mayo contains raw egg, but commercial mayos don't. I wouldn't eat it if it had been left out on the counter for a week, but a few hours won't render it poisonous.
I actually do make my own mayonnaise. I have problems with the preservatives they put in stuff not agreeing with me and so I make my own. Its easy to make. Takes like 10 minutes whip up a big jar of it. It tastes really good, too.