And the worst is that those metals are also used for... toothpaste! Especially the aluminum.
Look at the list of ingredients inside a Colgate toothpaste!
Today's abrasives are a bit gentler and typically include calcium carbonate, dehydrated silicia gels and hydrated aluminium oxides.
https://www.colgate.com/en-us/oral-health/basics/selecting-dental-products/what-is-in-toothpaste-five-ingredients-and-what-they-do-0814