Where can I find Mouthwash in Fernwald?

Mouthwash can also be found in these cities:

Bad Nauheim Butzbach Giessen Langgöns Lich Lollar Mücke Münzenberg Nidda Pohlheim Reiskirchen Rockenberg Wettenberg Wetzlar

You can also find this in Fernwald:

Cumin Mulled Wine Blackberries Baumkuchen Kale Rocket Follow-On Milk Dubai Chocolate Everything From Milk Baking Mixtures