Here’s what the Colored Square On Your Toothpaste Tells You

internetroiPublished: May 16, 201712,175 views
Published: May 16, 2017

Have you ever noticed the tiny colored square at the base of your toothpaste tube? The square is usually red, black, blue, green, or yellow. It's there for a good reason, and many believe it's a secret code to tell savvy consumers about the levels of toxicity in the product.

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