YinEssence.Com
- Dr. Khan discusses the uses of essential oils and herbs for conditions such as fibromyalgia, Lyme disease, autoimmune diseases, and stress.
- http://www.yinessence.com

A World of Aromatherapy
- Information on essential oils, their properties, uses in the treatment of illness, and common recipes for use in the bath, or with massage.
- http://www.aworldofaromatherapy.com/

Wavelengths Natural Health
- Provides articles, health and research databases, product reviews, essential oil profiles, and links.
- http://www.wlnaturalhealth.com

Tony Burfield's Aroma Pages
- Provides information about production of essential oils, articles addressing misconceptions about aromatherapy, book reviews, courses, workshops, projects, and consultant services.
- http://www.users.globalnet.co.uk/~nodice/

Therapy Essence
- Information for aromatherapists and students, including essential oil profiles, recipes, and articles. Oils, beauty, and well-being areas are searchable by sub-topic.
- http://www.therapyessence.com

Taking Charge Of Your Health: Aromatherapy
- Information provided by the University of Minnesota’s Center for Spirituality & Healing. Includes articles about how essential oils work, research, quality, safety, and finding an aromatherapist.
- http://takingcharge.csh.umn.edu/therapies/aromatherapy

Positive Health
- Provides contributed articles about topics such as hydrosols, essential oil quality, energetics, and healing.
- http://www.positivehealth.com/permit/Articles/Aromatherapy/Aromatherapy.htm

Michel Vanhove Aromatherapy Pages
- Multilingual site with information about distillation, history, oil properties, and chemistry.
- http://www.nature-helps.com/

Holisticonline.com - Aromatherapy
- Information on clinical studies, history, how it works, safety issues, and an essential oil directory.
- http://www.holisticonline.com/Aromatherapy/hol_aroma.htm

Hikoshin Ryu
- Informational discussion of incense, its history, uses, and traditions.
- http://www.hikoshin.org/

The Guide to Aromatherapy
- Descriptions of essential oils and carrier oils, a reading list, symptom guide, precautions, and glossary.
- http://theguidetoaromatherapy.com/

FDA/CFSAN Cosmetics--Aromatherapy
- Statement from the FDA regarding government regulation of essential oils and aromatherapy products and claims made about such products.
- http://vm.cfsan.fda.gov/~dms/cos-826.html

Essential Oil Recipes
- Includes blends for perfumes, body scrubs, and diffusing, as well as profiles for some commonly used essential oils.
- http://www.essential-oil-recipes.com/

AromaWeb
- Provides articles, recipes, synergies, essential oil profiles, book reviews, and aromatherapist and business listings.
- http://www.aromaweb.com/

Aromatherapy Spot
- Includes articles about essential and carrier oils, diffusers, and oil burners.
- http://www.aromatherapy-spot.com

The Aromatherapy Research Group
- Includes information about the group’s members, research projects, and published studies.
- http://www.aromaresearch.org/

Aromatherapy Global Online Research Archives (AGORA)
- Volunteer-contributed articles on topics such as history, case studies, distillation, massage, essential oil quality, and safety.
- http://users.erols.com/sisakson/pages/agoindex.htm

Aromamedical
- Medical Herbalist Martin Watt provides an aromatic extract safety manual and articles about conservation, education, toxicity, therapeutics, and production.
- http://www.aromamedical.com

Aromacaring
- Information about using aromatherapy with those who have terminal illness, special needs, learning disabilities, and challenging behavior.
- http://www.aromacaring.co.uk

Amie's Aromatherapy Encyclopedia
- An aromatherapy dictionary, essential oil blends, tips for beginners, and an "ask the aromatherapist" section.
- http://aromatherapyencyclopedia.blogspot.com/

Amateur Aromatherapy
- Covering essential oil safety, distillation, classification, a book list, and a forum.
- http://andybarson.co.uk/Aroma/menu.htm

Aloeswood
- Information about and pictures of aloeswood, an ingredient in Japanese incense.
- http://www.aloeswood.net