Polish customs officers Friday busted a mobile laboratory for making false brand-name cognac with hair coloring, the customs service reported. Customs officers discovered the equipment and components for making the fake cognac in a bus arriving from Belarus. Grain alcohol, demineralized water, hair coloring, bottles and labels were hidden in a bus carrying shopping tourists to the large open-air market in the Polish capital, according to customs service spokeswoman Malgorzata Skocinska.