This advanced Diploma program is an in-depth study of the science and art of aromatherapy. Students study essential oil materia medica including botanical information, identification, sources, historical uses, parts used, cultivation, harvesting, production, characteristics, active constituents, therapeutic actions, medicinal uses, evidence-based uses, household uses, and perfumery. Students also study anatomy and physiology including holistic clinical correlates covering a wide range of integrative health modalities from aromatherapy and herbal studies to nutrition and wellness protocols. Students also study aromatherapy chemistry and the steps to set up a business.
Meets the National Association of Holistic Aromatherapy education standards for Level 3: NAHA Certified Clinical Aromatherapist (NCCA)®️ membership.*
*Graduates must also complete a college-level pathophysiology course
Qualify to sit the national registration exam with the Aromatherapy Registration Council and become a Registered Aromatherapist (RA)
Meets the curriculum requirements of the Alliance of International Aromatherapists’ Advanced Practitioner Aromatherapy education standards
ACHS Aromatherapy graduates have a five year (2012-2016) success rate of 100% on the Aromatherapy Registration Council National Exam leading to registration as a Registered Aromatherapist
Required Courses
View all ACHS instructors, including bios, photos, and courses taught.
Minimum of a high school diploma or equivalency and recommendation for admission by the ACHS Admissions Committee.
To estimate the program tuition and fees, click on the required course name to view each Total Course Price. Information is also provided in the Program Fact Sheet.
5005 S. Macadam Ave.
Portland, OR 97239
Monday through Friday
8:30 a.m. to 4:30 p.m. PST
800-487-8839
503-244-0726
Monday through Friday
8:30 a.m. to 5:30 p.m. PST
