Where can I find Heavy duty detergent powder in Gevelsberg?

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

Bochum Dortmund Essen Gelsenkirchen Hagen Hattingen Herne Holzwickede Lüdenscheid Remscheid Schwelm Schwerte Solingen Velbert Witten Wuppertal

You can also find this in Gevelsberg:

Vein Gel Bathroom Cleaner Ironing Aid Small Appliance Descaler Breakfast Cereals Sunflower Oil Personal Scales Toothpaste For Adults Pedicure Body Lotion