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Aromatherapist Course
More than 2 million students worldwide

Aromatherapist Course

Become a confident, knowledgeable aromatherapist with a comprehensive program covering essential oil science, clinical assessment, advanced formulation, and professional practice. You'll gain the skills to work safely with diverse populations, from infants to palliative care clients, and build a practice grounded in evidence-based standards.

Dedika for businesses

What you will learn:

This course takes you from the foundational chemistry and botany of essential oils all the way through clinical treatment planning and advanced therapeutic applications. You will learn how to read GC/MS quality reports, calculate safe dilution ratios, and formulate massage oils, serums, and inhalers for specific health goals. You will study how essential oils are absorbed through the skin, lungs, and olfactory system, and how the body metabolizes them. Specialized modules cover stress and mental health protocols, musculoskeletal pain management, dermatological formulations, and care across the lifespan. You will also develop the business and research literacy skills needed to run a credible, sustainable aromatherapy practice.

How you study in practice Aromatherapist Course

How you practice Aromatherapist Course

For companies that want to train their team

With Dedika for Business, the course includes exercises and examples tailored to your own business and the way your company needs.

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Course content

8 Chapters • 36 LessonsDuration between 4 and 360 hours (you decide)

Chapter 1See details

Foundations of Aromatherapy

  • Lesson 1 • History and Origins of Aromatherapy

    Traces aromatherapy from ancient civilizations to modern clinical practice. Provides context for understanding how traditional knowledge shaped current therapeutic applications.

  • Lesson 2 • Safety and Ethical Practice

    Establishes foundational safety rules and professional ethics before any hands-on work begins. Prevents harm and builds responsible practice habits from the start.

  • Lesson 3 • Introduction to Essential Oils

    Introduces essential oils as complex chemical substances derived from plants. Students learn what distinguishes essential oils from other aromatic products.

  • Lesson 4 • Core Principles and Philosophies

    Defines the holistic model underlying aromatherapy and its relationship to complementary medicine. Grounds students in the theoretical lens used throughout the course.

Chapter 2See details

Botany and Plant Chemistry

  • Lesson 1 • Plant Families and Aromatic Species

    Surveys the major botanical families that yield therapeutic essential oils. Connects plant taxonomy to expected chemical profiles and therapeutic actions.

  • Lesson 2 • Reading Gas Chromatography Reports

    Teaches students to interpret GC/MS analysis reports for quality verification. Builds the analytical skill needed to evaluate supplier documentation.

  • Lesson 3 • Essential Oil Chemistry Basics

    Introduces the major chemical families found in essential oils and their therapeutic significance. Students link molecular structure to physiological and psychological effects.

  • Lesson 4 • Plant Anatomy and Oil Secretion

    Examines the plant structures responsible for producing and storing aromatic compounds. Understanding secretory structures explains extraction methods and oil quality.

Chapter 3See details

Essential Oil Extraction and Quality

  • Lesson 1 • Quality Standards and Sourcing

    Defines the criteria used to assess purity, authenticity, and therapeutic grade. Students apply sourcing criteria to select reliable suppliers.

  • Lesson 2 • Steam and Hydro-Distillation Methods

    Covers the most widely used extraction technique and its variations. Students understand how temperature and pressure influence the final oil profile.

  • Lesson 3 • CO2 and Supercritical Extraction

    Introduces advanced extraction producing oils with broader chemical profiles. Students compare CO2 extracts to steam-distilled counterparts for clinical use.

  • Lesson 4 • Cold Pressing and Solvent Extraction

    Explains mechanical and chemical extraction methods used for citrus and delicate botanicals. Students assess when each method is appropriate and its safety implications.

Chapter 4See details

Anatomy, Physiology, and Absorption

  • Lesson 1 • Dermal Absorption and Skin Physiology

    Examines how essential oil molecules penetrate skin layers and enter systemic circulation. Connects skin condition and carrier choice to absorption efficiency.

  • Lesson 2 • Olfactory System and Brain Pathways

    Details how aromatic molecules travel from the nose to the limbic system. Explains the neurological basis for emotional and memory responses to scent.

  • Lesson 3 • Respiratory and Systemic Pathways

    Covers inhalation as a route for both local respiratory and systemic effects. Students understand pulmonary absorption and its speed relative to other routes.

  • Lesson 4 • Metabolism and Excretion of Oils

    Explains how the body processes and eliminates aromatic compounds after absorption. Informs safe dosing intervals and contraindications for compromised organ function.

Chapter 5See details

Materia Aromatica: Core Essential Oils

  • Lesson 1 • Mint and Camphoraceous Oils

    Profiles peppermint, eucalyptus, rosemary, and camphor with their stimulating and analgesic actions. Students apply age and health restrictions for these powerful oils.

  • Lesson 2 • Citrus and Resinous Oils

    Covers bergamot, lemon, frankincense, myrrh, and related oils. Students learn phototoxicity risks and the unique chemistry of resinous extracts.

  • Lesson 3 • Conifer, Wood, and Root Oils

    Examines cedarwood, sandalwood, vetiver, and pine family oils. Students apply these grounding oils to stress, skin, and musculoskeletal protocols.

  • Lesson 4 • Spice and High-Phenol Oils

    Addresses clove, cinnamon, oregano, and thyme oils with their potent antimicrobial profiles. Emphasizes strict dilution and contraindication protocols for safe use.

  • Lesson 5 • Floral and Herbaceous Oils

    Profiles lavender, geranium, clary sage, and related oils with their chemistry and actions. Students match each oil to specific therapeutic indications and contraindications.

Chapter 6See details

Carrier Oils, Bases, and Blending

  • Lesson 1 • Blend Evaluation and Adjustment

    Develops sensory evaluation skills and systematic methods for refining blends. Students document and reproduce successful formulations with consistency.

  • Lesson 2 • Dilution Ratios and Safety Calculations

    Establishes evidence-based dilution guidelines for adults, children, elderly, and sensitive populations. Students perform accurate percentage calculations for all formulation types.

  • Lesson 3 • Formulating for Specific Applications

    Guides students through creating massage oils, serums, inhalers, and bath products. Each formulation type has distinct concentration and base material requirements.

  • Lesson 4 • Blending Theory and Fragrance Notes

    Introduces top, middle, and base note classification and its role in blend harmony. Students apply olfactory principles to create balanced aromatic profiles.

  • Lesson 5 • Carrier Oil Properties and Selection

    Compares fatty acid profiles, viscosity, and skin affinity of major carrier oils. Students select carriers based on skin type, condition, and desired therapeutic outcome.

Chapter 7See details

Clinical Assessment and Treatment Planning

  • Lesson 1 • Contraindication Assessment

    Applies contraindication knowledge to real client scenarios across health conditions. Students make safe oil selection decisions for complex health presentations.

  • Lesson 2 • Progress Monitoring and Reassessment

    Establishes methods for tracking client response and adjusting protocols over time. Builds the reflective practice habit essential for professional growth.

  • Lesson 3 • Designing Individualized Protocols

    Integrates assessment data, oil knowledge, and blending skills into a complete treatment plan. Students produce written protocols ready for clinical use.

  • Lesson 4 • Goal Setting and Treatment Objectives

    Teaches students to translate client concerns into measurable therapeutic goals. Aligns oil selection and application method with defined outcomes.

  • Lesson 5 • Client Intake and Health History

    Covers the structure and content of a comprehensive aromatherapy intake form. Students identify red flags requiring referral and document findings accurately.

Chapter 8See details

Advanced Applications and Specializations

  • Lesson 1 • Aromatherapy for Stress and Mental Health

    Applies neurological and endocrine knowledge to anxiety, depression, and burnout protocols. Students select and blend oils targeting the HPA axis and nervous system.

  • Lesson 2 • Musculoskeletal and Pain Management

    Develops protocols for acute and chronic pain, inflammation, and muscle tension. Students combine analgesic, anti-inflammatory, and antispasmodic oils effectively.

  • Lesson 3 • Skin and Dermatological Applications

    Addresses acne, eczema, aging skin, wound healing, and scar management with targeted oils. Students formulate dermatological products within safe concentration limits.

  • Lesson 4 • Integrative and Palliative Care Settings

    Prepares students to work within multidisciplinary healthcare teams in hospital and hospice environments. Covers communication, documentation, and evidence standards for clinical integration.

  • Lesson 5 • Aromatherapy Across the Lifespan

    Adapts protocols for infants, children, pregnant women, and older adults. Students apply age-specific safety rules and dosing adjustments with confidence.

Certification

Your valid completion certificate

This course is for you:

  • Massage therapist: wants to add therapeutic aromatic protocols to client sessions.

  • Career changer: seeks a credible, science-grounded entry into holistic health work.

  • Herbalist or naturopath: aims to deepen aromatic medicine knowledge within existing practice.

  • Skincare formulator: needs clinical safety and chemistry knowledge behind product creation.

  • Nurse or allied health professional: exploring integrative tools for patient-centered care.

  • Wellness enthusiast: ready to move beyond personal use into professional-level expertise.

What our students say

Your classes are perfect. I purchased the one-year package and finally have the opportunity to follow various topics of my interest without needing to switch platforms... I thank you for everything you do, I've already recommended you to other people...
Giulio Carlo
Giulio CarloDigital Marketing Student
I like how the lessons are straight to the point and how I can switch chapters and skip content I don't need.
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Mariana FerresPhotography Student
I like the content and the presentation style and video transcription, which speeds up the process!
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Luciana AlvarengaNail Design Student
The platform is fast, simple to use. The diversity of content and complementary videos really help with learning.
André Felipe
André FelipePrompt Engineering Student

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