What's the History of Toothpaste?

Toothpaste actually predates the toothbrush in dental hygiene's history. Learn the long history behind this everyday item in today's classic episode of BrainStuff, based on this article: https://health.howstuffworks.com/wellness/oral-care/products/history-toothpaste.htm Learn more about your ad-choices at https://www.iheartpodcastnetwork.com