Yeah, (IMO) I think it sounds like toxin buildup. If you want to try some natural remedies, how about dry skin brushing (and facial massaging), with special emphasis on the lympatic areas...and in combination with some oil pulling? With the facial massage, especially under eyes, chin, temple areas, it seems to release some nasty gunk and it comes out your ears. lol-ew
Dry skin brushing (try to give special attention to areas of lymphatic system)
The Dry Brushing Technique
Oil pulling
What is oil swishing or oil pulling? Alternative Medicine > Cleansing > Oil Swishing or Oil Pulling FAQ
wow. the oil swishing thing looks really gross.