PureCannaceutical PCRX Silver Tincture by PureCannaceutical is an ultra-premium phytocannabinoid rich herbal supplement. The U.S. grown industrial hemp that we contains a broad spectrum of naturally occurring cannabinoids and terpenoids. Our PCRX Tincture is formulated using a phytocannabinoid rich extract composed of a 20:1 ratio of cannabidiol;cannabigerol. With patented technology, we are able to provide the highest quality PCR extract while gently removing all detectable THC. The calibrated dropper is designed with ease of use in mind, and allows accurate, efficient dosage.