Online Graduate Certificate in Aromatherapy

Total Credits Completed

The Graduate Certificate in Aromatherapy provides specialized training for Graduate students in the comprehension and application of essential oils for medicinal use. Professionals working in the CAM field will be able to deepen their knowledge and understanding of aromatherapy.


This program meets the aromatherapy education requirements for NAHA Level 2 and AIA Professional Level for existing health professionals such as Massage Therapists, Herbalists, Nurses, Physicians, etc per the NAHA requirements. Graduates that are not existing health professionals are also required to complete qualifying anatomy and physiology.[1]
Meets the curriculum requirements of the Alliance of International Aromatherapists’ Level Advanced Practitioner Aromatherapy education standards

Learning Outcomes

Assemble a solid theoretical understanding of how to review, utilize and design scientific and clinical research.
Construct a strong theoretical knowledge of the principles of pharmacognosy and phytochemistry as they apply to botanical studies.
Critically evaluate the molecular structure of active constituents and how they contribute to a botanical’s observable actions.
Identify and evaluate the methods of quality control, extraction, potency, and variability of herbs and how it relates to the botanical industry.
Synthesize an advanced knowledge of the principles of toxicology and the mechanisms and effect of herb-herb and herb-drug interactions.
Demonstrate an  understanding of the toxicology of plant and essential oil constituents, the possible allergic and adverse reactions to herbal products and the influence of herbal quality on potential toxicity.
Analyze the relative risks and benefits of commonly used botanical substances.
Compare and contrast knowledge from empirical use with data from current phytochemical, toxicological and epidemiological studies and databases.
Construct an in-depth understanding of the principles of aromatherapy, aromatology, and aromacology.
Categorize and apply an understanding of the bioactivity, psychological effects and safety issues of essential oils and their components.
Evaluate and judge the clinical effect of essential oils through exploring research literature as well as historical perspectives.

Current Instructors: 

View all ACHS instructor bios, photos and courses taught online here.

Admissions Requirements:

Candidates must possess a baccalaureate degree or higher from an institution accredited by an agency recognized by the US Department of Education. Candidates must submit official transcripts directly from the issuing institution along with one professional letter of recommendation. All applicants must be recommended for admission by the ACHS Admissions Committee.

Tuition and Fees:

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.

ACHS Program Fact Sheet

[1] Graduates that are not existing health professionals are also required to complete qualifying anatomy and physiology. At ACHS, students would complete the following undergraduate courses to study all NAHA required body systems NAT 210 Anatomy & Physiology I, NAT 211 Anatomy & Physiology II, and NAT 212 Anatomy & Physiology III or the following graduate-level courses for qualified applicants NAT 501 Anatomy & Physiology I and NAT 502 Anatomy & Physiology II.

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