Doramad Radioactive Toothpaste

Doramad Radioactive Toothpaste (Doramad Radioaktive Zahncreme) was a brand of toothpaste produced in Germany by Auergesellschaft of Berlin from the 1920s through World War II. It was known for containing thorium, a radioactive metal, and is an example of radioactive quackery. == Development == The toothpaste was slightly radioactive because it contained small amounts of thorium obtained from monazite sands.

Source: Wikipedia — Doramad Radioactive Toothpaste (CC BY-SA 4.0)