We love certain products and have no idea what they're made of. But very often this information brings a lot of surprises: potato chips aren't actual potato slices, tomato ketchup doesn't contain only tomatoes and there's a secret ingredient that gives Cola-Cola its signature taste. What's that ingredient? Let's explore these 19 everyday things made in a strange way. Find more in our article: https://brightside.me/wonder-curiosities/20-everyday-items-that-rely-on-unexpected-ingredients-814326/ #brightside Preview photo credit: Hand holding plastic Coca-Cola bottle: By Santeri Viinamäki, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, https://commons.wikimedia.org/w/index.php?curid=51052957 Credit: Cosmetic pads made of nitrocellulose: By Aleksander Sobolewski, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, https://commons.wikimedia.org/w/index.php?curid=38525591 Nitrocellulose hexanitrate: By Wikimedia, CC BY-SA 3.0 https://creativecommons.org/lice