It’s solventless. Several varieties of economic concentrates obtainable at dispensaries are extracted with solvents like butane or propane. Even though initiatives are made to purge residual solvents from hydrocarbon extracts, there remains the prospect of some making it into your hash, detectable on the parts for each million (PPM) scale. https://emilioseobs.mybloglicious.com/54116381/facts-about-raw-hemp-extracts-revealed