Skeptics
Links
Aromatherapy
Robert Todd Carroll on "aromatherapy", from the Skeptic's Dictionary. Article points out that most claims of efficacy are anectdotal, there is little "scientific evidence" to show the oils work.
Aromatherapy Debunked and Defended
http://member.newsguy.com/~herblady/aroma.htm
Anya McCoy loves essential oils and how they can heal the body and mind, but presents solid information debunking the con artists and fakery of the aromatherapy business.
Aromatherapy: Making Dollars out of Scents
http://www.quackwatch.org/01QuackeryRelatedTopics/aroma.html
Stephen Barrett, M.D., on the aromatherapy business.