I have chronic sinus problems - due to allergies, I think. At this time of year, I often have a sinus headache for several days in a row. My sinuses get swollen and the mucous doesn't come out. The pressure builds until I have a terrible headache & have to take something for it. About 10 days ago, I thought I was getting a little infection in my ear from wearing ear buds too much. I dipped a q-tip in straight tea tree oil & put it deep in both ears. Wow - I had no idea how strong that stuff was! I got a very strong sensation in both ears and then it felt like it spread all through my sinuses and into my nose. I was smellling it for hours! My sinuses cleared up almost immediately & I felt very comfortable for 2-3 days - which is like a miracle for me. When my sinuses started to feel a little uncomfortable again, I put tea tree oil in my ears again & it worked. I just did it for the third time this morning. My nose was feeling a little stuffy & I put the tea tree oil in my ears about 15 minutes ago. The mucous is already draining. Does anybody else use tea tree oil for their sinuses? Anybody else ever put it in their ears? Is it safe to keep using?