A foamy substance caused by the rapid decomposition of hydrogen peroxide using potassium iodide as a catalyst; the outcome of a popular educational experiment in chemistry.

Alternative form of elephant's toothpaste [A foamy substance caused by the rapid decomposition of hydrogen peroxide using potassium iodide as a catalyst; the outcome of a popular educational experiment in chemistry.]

(Doramad Radioaktive Zahncreme) a brand of toothpaste produced in Germany by Auergesellschaft of Berlin from the 1920s through World War II.