Mouthwash is often difficult to buy, impossible to buy, or so expensive abroad we refuse to purchase when living abroad, you can make your own mouthwash.
There are many recipies, this recognizes the mouthwash ingredients that you can purcahse in most countries.
List of Potentinal Ingredients:
Chorox - Chloro
This one with Chlorox is easy in most countries:
Cinnamon and Ginger