It’s solventless. Lots of types of commercial concentrates available at dispensaries are extracted with solvents like butane or propane. When attempts are created to purge residual solvents from hydrocarbon extracts, there remains the possibility of some which makes it into your hash, detectable with a pieces for every million (PPM) https://vehicleaccidentrights78996.articlesblogger.com/56358020/the-2-minute-rule-for-organic-hemp-blossoms