Yes, it is true that the cranberry juice will help reduce dark circles under eyes. As we know, the dark circles under the eyes are mainly caused by the lack of good sleep, bad blood circulation, high pressure and so on. However, cranberry juice will help increase your blood circulation and help your ingestion system at the same time. Your good blood circulation and good digestion system will make the role for the release of the dark circles under the eyes. You just need the good rest for the recovery of the eyes. In addition, you could use some oil essentials to adopt around the eyes part which will help you get the quick recovery from the dark circles under the eyes.