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by b215826 1542 days ago
There are toothpastes that contain plastic microbeads [1][2] and an FDA ban (for < 5mm size beads) came in effect only in 2015. Some toothpastes also have polyethele "specks" to provide color [3],

[1]: https://www.colgate.com/en-us/oral-health/brushing-and-floss...

[2]: https://www.motherjones.com/environment/2015/05 /microbeads-exfoliators-plastic-face-scrub-toothpaste/

[3]: https://www.snopes.com/fact-check/gum-balls/