'Corpse Oil' is a documented type of black magic potion that is harvested and sold in certain Asian countries. This type of oil is obtained from slowly burning the chin of a dead and heavily pregnant woman and is believed to possess powerful love or relationship boosting properties if carried around by the buyer or applied onto the target person.
Price will be determined by the appearance of the corpse(how pretty she is), how pregnant she was(the more costly the closer to birth) and how she died(sudden and violent deaths are worth much more than those by natural causes or illness, as the woman's spirit will be vengeful and full of power.)
Featuring some of the women that were harvested for corpse oil before their deaths and during the extraction process (provided to potential buyers to guarantee the authenticity of the product
You can get higher quality corpse oil from pharmaceutical manufacturing facilities, where it is produced by genetically modified yeast, concentrated with various solvent-based processes and purified in a series of centrifuges.