Greek Toothpaste: Ashes and Iron Rust
Scrape your teeth in ancient Athens and taste a gritty mix of ash, pumice, and rust.
Unknown — "Mirror" (c. 470–460 BCE), CC0
Toothpaste with a Side of Rust
Scrape your teeth in ancient Athens and taste a gritty mix of ash, pumice, and rust. The bathroom shelf was a ceramic bowl, not a tube.
Ashes, Bones, and Iron for Clean Teeth
First-century Greek sources like Dioscorides describe toothpaste made from ashes, crushed animal bones, and iron rust. Chemical studies of ancient tartar show these harsh abrasives did scrub away stains—right along with a few layers of enamel.
The first-century writer Dioscorides describes how Greeks made toothpaste from ashes, crushed bones, and even iron rust. Archaeological finds include bronze toothpicks, but chemical analysis of ancient dental tartar shows grit from powdered charcoal and bone—literally scrubbing off stains with the kitchen fire’s leftovers. Ancient smiles came with a metallic tang.
