Check out Andreas Moritz' book on liver flushing. He also emphasizes kidney herbs for a cleanse side by side with the LFs. Dark circles under eyes are said to be kidney.
What is mdma? Is this a new street drug?
Many people who detox drug addicts professionally believe all drugs we've ever taken are stored in the body. FIR sauna is used with a good vitamin protocol. They used this protocol for the firefighters from 9/11 with good success. They were very toxic as one can imagine.
Liver Flushing when done well and consistently has helped a lot of people get healthier. Good luck.