Rats, I just wiped some dust off my laptop and accidentally swiped the touchpad and lost what I'd typed
Anyway, what I was trying to say was that I'm very doubtful that the dish soap used in the study was antibacterial. There are a number of different Ultra Dawn "flavours" and not all are antibacterial. I think, but couldn't swear to it, that the "flavour" used in the study was most likely regular lemon-scented.