Tincture | Full Spectrum We put our Full Extract Cannabis Oil into a dropper to provide full bodied, multi-faceted relief. Use it sublingually, in your belly button, or topically! FECO stands for Full Extract Cannabis Oil. This oil is the most full spectrum you can get. The process of creating the FECO tincture pulls out all of the cannabinoids, terpenes, as well as the rest of the chemical make up of the plant, leaving behind the chemical fingerprint of that specific plant. This type of extract is incredibly popular among medical patients for its versatility and soothing effects.