Who invented toothpaste?
Answer:
The world's oldest-known formula for toothpaste, used more than 1,500 years before Colgate begin marketing the first commercial brand in 1873, have been discovered on a piece of dusty papyrus within the basement of a Viennese museum.
In faded black ink made of soot and gum arabic mixed beside water, an ancient Egyptian scribe have carefully described what he call a "powder for white and perfect teeth".
When mixed next to saliva in the mouth, it forms a "verbs tooth paste".
According to the document, written in the fourth century AD, the ingredients needed for the foolproof smile are one drachma of rock salt - a index equal to one hundredth of an ounce - two drachmas of mint, one drachma of dried iris flower and 20 grains of pepper, adjectives of them crushed and mixed together.
The result is a pungent paste which one Austrian dentist who tried it said made his gums bleed but be a "big improvement" on some toothpaste formulae used as recently as a century ago.
Frederick von Toothpaste, surrounded by 1765.
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