Just happened upon this post, I have a friend that has become very well versed in essential oil use and so I've gotten into them too. I like lemon oil and eucaplyptus oil alot - I rotate putting a drop of each on a piece of paper towel at night, and placing it over the opening of my kid's humidifiers for the first few hours after they go to bed - it diffuses the scent throughout the room, and both are great for respitory health. They have not had any respitory problems since I started doing this about 2 years ago (knock on wood!) I also like lavender and peppermint for various medicinal purposes.
