It all came down to the chemical, triclosan, which could work to break down bacteria that would produce breakouts or make acne worse. Other ingredients commonly found in toothpaste that were suspected of acne help include alcohol, hydrogen peroxide and baking soda. 30-Aug-2022
https://www.hackensackmeridianhealth.org/en/HealthU/2022/08/30/Does-Toothpaste-Help-with-Acne#:~:text=It%20all%20came%20down%20to,hydrogen%20peroxide%20and%20baking%20soda.