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Exploring Why Essential Oils Work

Essential Oil Foundations & Smarter Blending

  2.0 hrs instruction

  6 lessons
Have you ever pondered why two bottles labeled "Lavender" can elicit distinctly different responses from your body and mind? This course invites you to explore the relevance of these Latin classifications in aromatherapy, providing a comprehensive guide to how the genus and species together shape the therapeutic qualities of lavender oils. Understanding both aspects is essential for any aromatherapist looking to deepen their practice and effectively harness the healing potentials of lavender.

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Learn the tools used by the world's top aromatherapists.

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About this course

Discover the key to blending with confidence! This course gives you the essential knowledge you need to create effective, intentional essential oil blends. Whether you’re new to aromatherapy or looking to refine your skills, you’ll learn how to choose the right oils, understand their chemistry, and ensure they work as powerfully as possible.
  • How to Read Essential Oil Reports – Know what’s inside your oils and why it matters for blending.
  • Why Latin Names Are Key – Avoid common mistakes by selecting the right oil for the right purpose.
  • Freshness & Potency – Learn how distillation dates and oxidation impact an oil’s effectiveness.
  • Blending with Precision – Use science-backed techniques to create blends that truly work.

    This course is the foundation for every successful blend you’ll ever make. Ready to take your skills to the next level?
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Absolutely love the course. I learn something new from Karen and Jenny from every course, live workshop and blog post I read.
— Windy
I love how the classes are. It is so nice and patient and it goes in a pace I can understand. I love this!
— Issielle

What's included?

  • Learn foundational information with Latin names and GC/MS reports
  • 2 different lavenders covered
  • 2 Hours of Fun!

What You'll Learn

  • How to look for distillation dates so you always work with fresh, vibrant oils
  • How to choose the right essential oil for the right purpose based on chemical composition
  • The truth about shelf life and oxidation—and how to know if an oil is still effective
  • The difference between two common types of lavender oil (and how to use each one)
  • The essential oil safety and dilution guidelines that every professional aromatherapist follows

A learning journey

Once you understand these core principles, you’ll never approach essential oils the same way again. With a deeper knowledge of chemistry, sourcing, and blending techniques, you’ll gain the confidence to create intentional, effective formulations—every single time. This course goes beyond recipes, giving you a true understanding of how essential oils are made, how they evolve, and how to work with them at their peak. You’ll learn to blend with precision, select oils with purpose, and ensure every drop you use is as powerful and fresh as possible. Whether you're starting out or refining your craft, this journey will transform the way you work with essential oils.
Aromahead provides the best online instruction available anywhere, In addition to the excellent curriculum and materials, they provide thoughtful ongoing support.
- Melissa Rodgers
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What makes us different

The Aromahead ApproachTM

Making Sense of Complex Topics

At the core of The Aromahead Approach™ is our dedication to breaking down intricate aromatherapy concepts into simple, easy-to-understand lessons.

Learning that Captivates

Our interactive modules with captivating visuals, makes the aromatherapy learning journey as memorable as it is informative.

Approachable for All!

Our resources are crafted to be welcoming to all, ensuring every learner feels included and empowered as they explore essential oils.

Karen Williams

Hi, my name is Karen Williams. As a professional aromatherapist, I love to create amazing blends that inspire and promote a healthier lifestyle. I got my start many years ago as a registered nurse working in the hospital system. But along the way I knew something was missing. I wanted to help people more holistically. Then, I discovered essential oils, and my approach to life changed forever. Now, I’ve made it my mission to share what I’ve learned about aromatherapy with my friends, family, and the world. Because - life is so much better with health, happiness, and community. 
Patrick Jones - Course author