Where can I find Heavy duty detergent liquid in Bönen?

Heavy duty detergent liquid can also be found in these cities:

Arnsberg Ascheberg Beckum Bergkamen Dortmund Hamm Holzwickede Kamen Lünen Menden (Sauerland) Nordkirchen Schwerte Unna Werne

You can also find this in Bönen:

Edible Curd Grated Lemon Peel Flaxseed Bread Fruit Bar Pickled Vegetables Fresh Salt Schupfnudeln Whole Grain Rolls Mayonnaise