One of the most exciting developments to come from the union of cannabis technology is hash oil, a highly potent form of marijuana that can deliver therapeutic compounds patients need without involving combusted plant material. Unfortunately the practice of cannabis extraction is still in its infancy, and not every processor has the scientific finesse to create a clean, pure product. In a market that remains largely unregulated, it can be difficult to determine hash oil quality, and it is in this under-informed climate that myths take root.