Tag Archives: color

Why Is There a Colored Block on My Toothpaste Tube?

There’s a curious little detail on your toothpaste: a colored block right at the top seam. Given that it’s truly just a small, colored square, does it serve any real purpose? It does! https://www.lifesavvy.com/89651/why-is-there-a-colored-block-on-my-toothpaste-tube/

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