It was once thought that CO2 extraction was the best extraction method. It has now been proven that Ethanol is comparable if not a better method of extraction. It is now believed that more of the vital components of the plant in higher concentrations utilizing pharmaceutical-grade ethanol. Once the cbd.com/glossary/full-spectrum-cbd/" data-gt-translate-attributes='[{"attribute":"data-cmtooltip", "format":"html"}]'>Full Spectrum cbd oil has been extracted, it is then gently reduced by the use of chromatography to remove any and all traces of ethanol, thus producing superior cbd.com/glossary/full-spectrum-cbd/" data-gt-translate-attributes='[{"attribute":"data-cmtooltip", "format":"html"}]'>Full Spectrum CBD. Ethanol extraction is vastly becoming the extraction method of choice.