Aromatherapy Debunked and Defended: Anya McCoy looks at aromatherapy from both sides, and presents information and warnings about the con artists of the aromatherapy business.
Aromatherapy: Making Dollars out of Scents: Stephen Barrett, M.D. on some of the dubious claims by companies in the aromatherapy business.
Scents and Nonsense: Does Aromatherapy Stink?: Article on aromatherapy from Priorities, a publication of the American Council on Science and Health.
Skeptic's Dictionary - Aromatherapy: An article by Robert Todd Carroll highlights that many claims of efficacy are testimonials and anecdotal in nature.
What's That I Smell?: Examination of the claims of aromatherapy, published by the Skeptical Inquirer.