Where can I find Detergent in Fernwald?

Detergent can also be found in these cities:

Buseck Butzbach Giessen Hüttenberg Langgöns Laubach Lich Linden Lollar Pohlheim Rabenau Rockenberg Staufenberg Wettenberg Wetzlar

You can also find this in Fernwald:

Desserts Dessert Baking Mixes Cake Glaze Peanut Butter Ice Cream Rice Dishes Vegetable Juices Instant Iced Coffee Cheese Roll Canned Fish