Where does trans fats come from

They are a form of unsaturated fats. They are usually made from the process of hydrogenation... Not sure if that helps

Artificial trans fat is created during hydrogenation, which converts liquid vegetable oils into semi-solid partially hydrogenated oil. Trans fat can also be found naturally in meat and dairy.

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Is this a true or false question? if so  its false, all hand sanitizers should be kept at comfortable room temp above 70f