Toms of Maine Flouride-Free Anti-Plaque Whitening Toothpaste (2 Pack) is on a lightning deal at Amazon for $7.03. This is for the fennel. They also have Peppermint ($7.36) and Spearmint ($8.58).
https://www.amazon.com/dp/B00JUJ1…=UTF8
https://www.amazon.com/dp/B00JUJ1…=UTF8