Those colored square markings
The internet and social media provide us with plenty of information (not all of it necessary!) that isn’t only entertaining but keep us informed and up to date. But is everything we read on it true? There is some completely made-up information that has gone viral and one of these is related to the colorful marking you see on the bottom of your toothpaste.
You’ve probably read about how the colors on the bottom serve as a code that could reveal the nature of the materials in it. According to these articles, the green color indicates the toothpaste is all-natural, a blue mark indicates that it contains a mix of medicine and natural ingredients, a red mark indicates a mix of natural and chemical ingredients, and a black mark indicates all chemical ingredients. This statement is not true, as everything in the world is technically chemical and even natural ingredients are chemical ingredients, according to Scientific American. The real reason for these colorful marks is to help light sensors to detect where to cut or seal the tube.