What’s the oldest toothpaste formula? Prior to the time of Colgate in 1873, people used soapy water with salt to brush their teeth. Yum! So was Colgate the first to invent good tasting toothpaste? Not even close!The oldest toothpaste formula was found written on the back of an Egyptian papyrus document dating from the 4th century A.D. The recipe written down for “white and perfect te...
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