Where can I find Cream stiffener in Sonceboz-Sombeval?

Cream stiffener can also be found in these cities:

Biel Bienne Brugg Delémont Grenchen Ipsach Le Landeron Lyss Moutier Münchenbuchsee Neuenstadt Nidau Saint-Imier Tavannes Tramelan

You can also find this in Sonceboz-Sombeval:

Cheese Particle Lemon Aroma Jam Ice Cream To Portion Poultry Still Water Coffee Pods Poppy Seed Roll Canned Fruit