Received product and administered as descried by instructions. Used several days with no positive results. Received additional shipment that was not ordered. Returned unopened to company in original box with original invoice as instructed via their return policy for a refund of the $69.99 purchase price paid to them on 12/28/2017. Called to cancel any scheduled future shipments to me, and was told that had been done. Box with product was shipped to them on 01/02/2018 via USPS, CERTIFIED MAIL Called company again at end of January to see about when I would receive my refund. Answer was "can't tell, refunds take a long time to process!" Package was delivered to and was signed for on 01/12/2018 at 4:34 pm by Individual in Scottsdale, AZ 85260. Have had no reply since last call to them. Would like to receive my refund as soon as possible.