The hemp plants should be 100% organically grown to attenuate exposure to pesticides. Search for European Union Licensed organic agricultural hemp, which has demanding purity requirements. The primary difference between hemp oil and hemp extract is that hemp extract does have CBD (and often trace amounts of THC). Hemp extract https://goldiracompanies76542.blogkoo.com/the-5-second-trick-for-thc-free-supplement-53409500