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.

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.

Stephen Barrett, M.D., on the aromatherapy business.

Article on aromatherapy from "Priorities", a publication of the American Council on Science and Health.

Examination of the claims of aromatherapy, published by the Skeptical Inquirer.