Have you ever wondered how commercials can make food look so good and make you want to eat that very thing? Well, if you really ate the food they use in commercials, you probably wouldn’t want to eat for days. Shaving cream, glue, and more is used on sets often. Watch the video below to learn how these advertisers trick your eye and your appetite every day.

Maybe we can use these tricks for our next Instagram pic, but otherwise, we’ll remember this next time we see a tasty looking burger on TV.