• gerbler@lemmy.world
      link
      fedilink
      arrow-up
      2
      ·
      2 months ago

      Abrasives. Same thing as charcoal. Tiny hard particles help remove gunk when you brush them against something.

    • Captain Aggravated@sh.itjust.works
      link
      fedilink
      English
      arrow-up
      1
      ·
      2 months ago

      Most toothpaste contains abrasives. Look in the ingredients list on your toothpaste, it’s likely silica.

      The point of using plastic is because the petrochemical industry makes money if they use plastics.