These Colors Were Always On The Bottom Of The Toothpaste, I Never Knew The Secret Behind Them Until Now...
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The code is stamped onto the bottom flap of each tube of toothpaste. This is done to let a consumer know exactly what ingredients are used during manufacturing. For example, the color red means the toothpaste has both natural ingredients and additional chemicals. A black stripe appearing at the bottom of a toothpaste tube signifies the toothpaste is created entirely from chemicals. The color blue alerts the consumer to the presence of medicine and natural ingredients inside of the tube of toothpaste
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