Guidelines for safe usage of fragrant chemicals and essential oils in perfumes and skincare.

A non-profit educational organization devoted to aromatherapy in the United States. Provides information on essential oils for health and healing purposes.

Provides information about membership, Simply Essential magazine, accredited schools, and upcoming events and tours.

Information on the National Examination in Aromatherapy, available through the ARC. Includes frequently asked questions, how to apply, what's new and contact information.

Aromatherapy International forum.

An organization supporting the growth and distillation of essential oil plants in the US. Provides a description of member benefits, a calendar of events, articles and news, and a bookstore.

Describes the organization's position in promoting the responsible use of aromatherapy products, based on appropriate research.

A not-for-profit organization that hosts meetings and educational events for its members. Provides links, and information about membership, events, and education.

International organization that offers standards for certification, safety, and professional conduct for its members. Provides information about membership, education, policies, events, and insurance.

Worldwide organization located in London, offering workshops, articles, and a magazine. Provides information about activities, membership, news, and training.

Resources for finding an aromatherapist in the UK, education and standards, news, and a description of the organization's structure.