- Accredited Master’s Degree
Master of Science in Aromatherapy
The mission of the Master of Science in Aromatherapy degree program at ACHS is to develop a practical and theoretical understanding of clinical aromatherapy and professionally apply this knowledge to educate clients and consumers about a mind-body-spirit approach to health and wellness.
Ethical practices and sustainability
emphasized throughout the program, preparing you to be a leader in the field.
Aromatherapy Advantage
As aromatherapy grows in hospitals and wellness settings, new opportunities arise in healthcare. With more people turning to alternative therapies for chronic conditions, aromatherapy professionals are playing a key role in health education and prevention. ACHS equips students to meet this demand with confidence and credibility.
Hands-on learning
research and lab opportunities to apply aromatherapy concepts in real-world settings.
Comprehensive resources
with access to ACHS’s extensive library and research materials to support your studies.
Personalized support
experienced instructors who guide you in your professional development.
Professional Pathways & Credentialing

Alliance of International Aromatherapists (AIA)
Recognized by AIA for advancing aromatherapy education that meets professional standards and supports graduates in pursuing careers as skilled, ethical practitioners.

Aromatherapy Registration Council (ARC)
ACHS graduates of qualifying programs are eligible to sit for the ARC’s national aromatherapy registration exam. Successful exam candidates earn the trademarked designation R.A.

National Association for Holistic Aromatherapy (NAHA)
Meets the curriculum requirements of the National Association for Holistic Aromatherapy Level II education standards for students selecting the Aromatherapy Specialization.
Free Aromatherapy eBook: Essential Oils for Everyday Wellness
Download our free Aromatherapy eBook to learn the best oils for everyday use, safety tips, and how to start using aromatherapy in your wellness routine.
Apply Your Education in Real-World Settings
The Master of Science in Aromatherapy empowers you to elevate your wellness practice or confidently embark on a new career. This program merges academic rigor with practical application, offering a robust foundation in anatomy, physiology, and essential oil chemistry, alongside hands-on training in formulation, safety, and client care. You’ll also master the business aspects of aromatherapy, including ethics, scope of practice, and marketing, ensuring you’re fully prepared to succeed in holistic, evidence-based practice.
Graduates of this program go on to pursue a wide range of professional roles in the health and wellness industry, including:
Aromatherapist or Registered Aromatherapist (RA)
Aromatherapy Practitioner or Alliance of International Aromatherapists (AIA) Advanced Practitioner
Aromatherapy Consultant or Aromatherapy Product Formulator and Manufacturer
Natural Perfumer or Health Care Industry Assistant - Day Spa, Holistic Retreat, Spa Facility
Admission Requirements
Here’s what you’ll need to do to get started:
Step 1: Request your transcripts
Provide official transcripts for a bachelor’s degree or higher from an accredited institution. Learn more.
Don’t have a bachelor’s degree yet?
Start your journey with an ACHS bachelor’s program and build the foundation for graduate study.
Step 2: Apply Online
Complete and submit your application online to begin the admissions process. Learn more.
Step 3: Achieve Acceptance for Admission
Your application will be reviewed by the Admissions Committee for an admission recommendation.
Step 4: Confirm Your Funding
Work with the ACHS team to finalize your funding, including payment plans, tuition assistance or military benefits, or financial aid for those who qualify. Learn more.
Step 5: Complete Your Enrollment
Review and sign your Academic Plan and Enrollment Agreement once accepted.
Step 6: Attend Orientation
Explore ACHS learning and student support resources through our online Orientation and Welcome Week activities.
Required Courses
If you’re looking to practice aromatherapy with clinical confidence, this program is built for that goal. The Master of Science in Aromatherapy is 36 credits, fully online, and structured across 12 courses completed in 60 weeks — covering everything from essential oil chemistry and integrative pathophysiology to professional practice and a culminating capstone project.
Professional Practice
Learning Outcomes
- Examine aromatherapy research to understand how essential oils interact with the body’s systems and produce physical and psychological effects.
- Evaluate modern and historic aromatherapy definitions, philosophy, practices, and methods of essential oil extraction and quality evaluation.
- Integrate human anatomy, physiology, and appropriate medical terminology into the professional practice of aromatherapy.
- Assess essential oil chemical components to effectively apply their aroma, therapeutic effects, toxicity, and interactions with body systems for professional aromatherapy uses.
- Implement detailed essential oil materia medica knowledge to utilize botanicals sustainably, ethically, and safely in professional aromatherapy.
- Simulate the components of creating an aromatherapy business to effectively implement record keeping, required insurance, scope of practice, ethics, legal issues, marketing, and professional networking.
- Design safe, effective, evidence-based, holistic aromatherapy lifestyle support plans to follow best practices for informed consent, intake skills, the scope of practice, assessment skills, and aromatherapy applications.
- Synthesize a study or research review on a current issue or theory in aromatherapy.
Plan Your Aromatherapy Path with an Advisor
Connect with an academic advisor to talk through your goals, get personalized guidance, and explore your path in aromatherapy.
The Value of Accreditation
ACHS is accredited by the Distance Education Accrediting Commission (DEAC). DEAC is listed by the U.S. Department of Education as a recognized accrediting agency and recognized by the Council for Higher Education Accreditation (CHEA).
This ensures that your aromatherapy education meets rigorous academic and industry standards — adding value to your credentials and advancing your ability to support others with confidence.
Tuition and Financial Aid
You can estimate your total tuition and fees by clicking on each required course below to view its Total Course Price. Tuition and fees are subject to change. Explore options to reduce costs through credit transfers, challenge exams, and eBook textbooks here. Financial aid opportunities are also available. Here’s a look at the projected maximum cost for the Master of Science in Aromatherapy program:
$31,849
Estimated Total
$200
Registration Fee
$23,940
Tuition
$7,659
Books and Supplies
$50
Graduation Fee
This estimate includes all textbooks, materials, and the online ACHS eTextbook. It reflects the courses with the greatest out-of-pocket costs and is based on 2026-2027 tuition rates. Your actual cost may be lower if you qualify for transfer of credit, pass a challenge exam, or opt for eBook options.
Program Disclosures
- Meets the curriculum requirements of the Alliance of International Aromatherapists’ Level Advanced Practitioner Aromatherapy education standards
- Graduates are eligible to sit the Aromatherapy Registration Council national examination to become a Registered Aromatherapist (RA)
- Exceeds NAHA Level III Aromatherapy Education Standards
FAQs
What does an aromatherapist do?
Aromatherapists use essential oils and aromatic compounds to support physical and emotional health and wellness. In practice, this can include conducting client consultations, developing personalized aromatic lifestyle support plans, and educating clients on the safe and effective use of essential oils. Aromatherapists work across a range of settings, including integrative health centers, wellness clinics, spas, and private practice.
How do I become a professional aromatherapist?
Most professional aromatherapists complete a formal education program in aromatherapy, gaining both theoretical knowledge and hands-on training in essential oil science, client care, and professional practice. At ACHS, the Master of Science in Aromatherapy prepares you for professional practice with a curriculum grounded in clinical aromatherapy, anatomy, and integrative health. Upon graduation, you may also pursue professional certification through organizations such as the National Association for Holistic Aromatherapy or the Alliance of International Aromatherapists.
How long does it take to earn an aromatherapy degree?
At ACHS, the Master of Science in Aromatherapy is designed to be completed in 60 weeks. The program is fully online, giving you the flexibility to work through the curriculum at a pace that fits your life and professional commitments.
What is an average aromatherapy salary?
The average aromatherapy salary depends on your role, setting, and level of experience. Those working in integrative health centers, wellness clinics, or private practice may earn differently than those in product development or education. We recommend researching current salary data through resources such as the U.S. Bureau of Labor Statistics or industry associations such as NAHA or AIA for the most up-to-date figures.
Ready To Turn Your Passion Into a Profession?
Apply now, or speak to one of our expert advisors.