This, and the soapy grease created for injection into the models' flexible joints, was used by the Soviets and the newly established Polish Chief Commission for the Prosecution of Crimes against the Polish Nation as proof of human soap production in Nazi concentration camps. The latter claims had been presented as fact and had become a stock phrase in Soviet propaganda, but of which no evidence could be found in the liberated camps.
The soapy grease applied to the models' flexible joints provided proof of human soap production in Nazi concentration camps for the Soviets and the newly established Polish Commission for Prosecution. These claims were widely accepted as fact within Soviet propaganda, though no such evidence could be found upon liberation of the camps.