Mint flavoring was added to toothpaste as a strategy by Pepsodent to make their toothpaste more appealing because it masked the flavor of other ingredients and the cooling sensation became associated with freshness. It became the default toothpaste flavor, but really you can flavor it any way you want.

I once got a gift set of these mini toothpastes in assorted flavors.

It’s a crime that yellow isn’t banana flavored