It's always somehow funny to think about toothpaste and how it is actually an abrasive, a colloid of tiny solid particles, rather than a surfactant like most ot

It's always somehow funny to think about toothpaste and how it is actually an abrasive, a colloid of tiny solid particles, rather than a surfactant like most other everyday cleaning agents. Which is why it can be used to polish headlights, clean whiteboards, etc.