One more use to add to your list

Ear Infections/pain - rub a drop of oregano oil behind ear and on ear lobe, do not put into ear canal.

My four year old son woke up crying from a nap because his ear hurt so bad and my husband slathered the back of his ear with oregano oil, the pain was gone before I got home from work that evening. I have done this with not only my kids but myself when I caught one of those nasty respiratory flu's going around this winter and the oregano oil worked in a matter of an hour, the pain was completly gone. You can reapply as necessary.

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