An Egyptian toothpaste formula from the 4th century AD has been found in a collection of papyrus documents at the National Library in Vienna, Austria.1,2 In black ink (now faded after 1,500 years) made of soot and gum arabic mixed with water, an ancient Egyptian scribe has carefully written down a recipe ‘for white and perfect teeth’.3 This makes it the world’s oldest-known recipe for toothpaste.
The iris flower is a main ingredient in the ancient dental formula discovered recently by researchers.
Read more here: creation.com
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