This did not happen. The WEIRD thing is that the last retail store I opened actually began stuck our company manufactured/branded product but ALL my other stores did not. After waiting about a month, suffering loses, I decided to leave central office and head to one of the AFFECTED retail stores. I checked the supplier source and confirmed it was receiving supply from the distribution warehouse. Knowing that by now the warehouse is only shipping out our manufactured/branded products I click the purchase unit and double clicked our warehouse for the desired product (i.e. Bath Lotion) ONLY then did the branded products change.
Though my strategy/vision was genius (of course

Save Game: http://1drv.ms/1TkIUJy (this save game can be used link the factories in Milan to the warehouse and you should be able to reproduce the issue)
P.S. You can go to the Lipstick warehouse and visit the stores to verify this issue. This bug creates major operational issues.