Steam Distilled vs CO2 Extracted Essential Oils: What’s the Difference?

Key Takeaways:

• Extraction Shapes Character: The method used affects aroma, texture, and the energetic presence of the oil.
• Different, Not Superior: CO2 and steam distillation each bring out unique qualities in plants—each method may be preferred for different applications.
• Intention-Based Selection: Choosing the right oil means understanding both extraction methods and aligning them with your personal purpose and practice.

Behind every bottle of essential oil is a process, and behind every process is a philosophy. The way an oil is extracted shapes more than its scent. It influences its aromatic richness, texture, and the subtle ways it is experienced in both ritual and daily use. Two of the most common methods, steam distillation and CO2 extraction, may appear similar at first glance, but they yield beautifully different results.

At Essential Oil Wizardry, we work with both extraction methods intentionally. The majority of our collection—about 60-70%—consists of steam distilled oils, valued for their light, etheric energy and clarity of aroma. We also offer a carefully curated selection of CO2 extracts (20-30%) for plants that express themselves more fully through this method, along with a small range of absolutes (around 10%) for their full-bodied aromatic experience. Through direct sourcing, frequency enhancement, and small-batch craftsmanship, we select the extraction method that best honors each plant’s unique character.

This is not about one method being better than another. It’s about understanding how different approaches bring out different qualities, and choosing the oil that resonates with your specific intention.

In this article, we explore the key differences between CO2 vs steam distilled essential oils, what makes each method valuable, and how to choose the right extraction for your rituals and self-care practices.

What Are Essential Oils And How Are They Made?

Essential oils are the concentrated aromatic essence of a plant, carrying its scent and energetic signature. They are found in leaves, flowers, roots, seeds, and other plant parts, and are typically released through extraction methods that separate aromatic compounds from the raw material. Whether it’s frankincense or the familiar floral presence of lavender, essential oils speak directly to the senses.

We see essential oils as plant teachers. How they are extracted matters just as much as the plant itself. Different methods bring forward different qualities. Some highlight lighter aromatic notes, while others retain heavier, more complex components. The artistry lies in choosing a method that respects the nature of the plant and supports the intention behind its use.

To examine this more deeply, we share a dedicated exploration in our article, What Are Essential Oils? There, we discuss how extraction methods influence aroma and overall presence. Oils crafted with care often carry something more than scent alone; they offer a sense of connection shaped by plant and process.

Steam Distillation vs CO2 Extraction: Understanding The Basics

The method used to extract an essential oil doesn’t just affect how it smells. It shapes the character, aromatic depth, and vibrational signature of the final product. Understanding the core differences between these two methods helps you make more informed, intentional choices.

How Steam Distillation Works

Steam distillation uses heat and water to separate aromatic compounds from plant material. In this process, steam is passed through the plant, capturing volatile oils which are then condensed and collected. This centuries-old method has been refined over generations and remains the foundation of essential oil production worldwide.

Steam distilled oils carry a light, etheric quality. The heat involved in the process can actually create unique therapeutic compounds that wouldn’t exist otherwise. A beautiful example is German Chamomile: during steam distillation, two constituents combine in the heat to form Chamazulene, a therapeutic compound with a distinctive rich blue color. This important constituent is not produced through CO2 extraction of German Chamomile, making steam distillation the preferred method when seeking this plant’s anti-inflammatory/anti-allergenic qualities.

The majority of Essential Oil Wizardry’s collection consists of steam distilled oils, chosen for their clarity, brightness, and traditional therapeutic qualities.

You can read more about the methods for extracting essential oils to see how different approaches bring out different layers of a plant’s chemistry.

What Is CO2 Extraction?

CO2 extraction, often referred to as supercritical CO2 extraction, uses pressurized carbon dioxide to draw aromatic compounds from plant material. At specific temperature and pressure levels, CO2 becomes a fluid that can move through plant matter like a solvent, without the use of high heat or toxic chemicals. When the pressure is released, the CO2 naturally dissipates, leaving behind a concentrated extract.

This method typically captures a broader range of the plant’s constituents, including heavier and more delicate compounds. The result is often a fuller aromatic profile that smells closer to the original plant material, with more complex layers and a richer, more intense fragrance. Some producers have evaluated extractions between CO2 extracts and steam distilled oils and noted CO2 extracts contain a higher concentration of therapeutic constituents. Naturally each plant and extraction will be unique, but this is a noted general trend.

The Rise Of Supercritical CO2 Extraction

As interest grows in botanicals crafted with both care and intention, CO2 extraction has become more widely appreciated for specific plants. From a technical standpoint, supercritical CO2 extraction uses carbon dioxide brought into a supercritical state through carefully controlled pressure (typically exceeding 1,000 psi) and temperature. This process is carried out in specialized stainless steel equipment and is valued for its ability to preserve thermally sensitive constituents that might otherwise be altered during hotter extraction methods.

With no chemical residue and lower operating temperatures, this method is often chosen for plants with especially delicate aromatic profiles or those with heavier resinous compounds. CO2 extracts typically offer a wider aromatic range and may retain a thicker, more viscous texture—qualities that some people appreciate in natural perfumery, ritual, product formulation, or aromatic exploration.

However, CO2 extraction does come with practical considerations. CO2 extracted oils are typically harder to source, more costly to produce, and there are fewer options available on the market compared to steam distilled oils. This is why they comprise a smaller, but intentionally selected, portion of our collection.

CO2 vs Steam Distilled: Comparing The Qualities Of Each Method

Rather than viewing one method as superior, it’s more helpful to understand what each extraction brings forward. Both steam distillation and CO2 extraction have distinct characteristics that make them valuable for different applications and intentions.

Steam Distilled Essential Oils: Light, Etheric, and Transformative

Steam distilled oils are often described as carrying a lighter, more etheric energy and aroma. The heat involved in the distillation process can transform the plant’s chemistry in meaningful ways, sometimes creating therapeutic constituents that don’t exist in the raw plant material.

These oils tend to have:

• A brighter, more focused aromatic character
• An uplifting or clarifying energetic quality
• Good compatibility with diffusers and space-clearing practices
• Often more accessible pricing and wider availability
• A long history of traditional use and understanding

Because steam distillation has been practiced for centuries, there’s a deep body of knowledge around these oils and their applications. For many plants, this method remains the preferred choice, drawing out exactly what’s needed for therapeutic and aromatic purposes.

CO2 Extracted Essential Oils: Full, Complex, and Potent

CO2 extracts tend to be more full-bodied, smelling more like the original plant with various aromatic layers of complexity. Their flavor and fragrance profiles are typically richer, more intense, and beautifully nuanced compared to traditional steam distilled oils.

These extracts often have:

• A fuller spectrum of aromatic constituents
• Heavier, more dense—with semi-solid, resinous textures in some cases
• Greater concentration and potency
• A closer resemblance to the living plant’s scent
• Preservation of delicate compounds that heat might alter

The broader constituent profile in CO2 extracts can create a more dimensional sensory experience, one that unfolds gradually and reveals different notes with each inhale. Many people find these oils particularly grounding or expansive in meditation and ritual work.

Different Plants, Different Methods

At Essential Oil Wizardry, Dr. Nick selects between extraction methods based on the specific plant, the intended application, and the desired outcome. Some plants simply express themselves more fully through one method or the other. For example:

• German Chamomile benefits from steam distillation to create Chamazulene
• Frankincense and certain resins often shine as CO2 extracts, preserving their full aromatic complexity, and some CO2 extracted Frankincense contain higher concentrations of boswellic acids.
• Citrus oils are typically steam distilled (or cold-pressed) for their bright, uplifting character
• Delicate florals tend to yield their fullest aromatic expression with either a CO2 or absolute extraction, while steam distilled flowers tend to be more light and effervescent

Neither method is inherently superior—they’re different tools that serve different purposes and intentions. The choice depends on what you’re creating, how you’re working with the oil, and what qualities resonate most with your practice.

Choosing The Right Extraction Method For Your Practice

Every person has a unique relationship with plants. The oils you feel drawn to may shift depending on your mood, your physical state, or the kind of ritual you are creating. Choosing between CO2 extracted and steam distilled oils isn’t about picking a winner—it’s about tuning in to what you need and selecting the extract that resonates most clearly in that moment.

Matching Extraction To Intention

Different practices often call for different qualities. Consider these guiding questions:

• For Grounding and Depth: Are you seeking a rich, multi-layered aromatic experience? CO2 extracts often provide fuller, more complex profiles that can feel anchoring during meditation or contemplative practices.
• For Clarity and Upliftment: Do you want something bright and focused for space-clearing or energizing rituals? Steam distilled oils tend to offer lighter, more etheric qualities that lift and clarify.
• For Specific Therapeutic Qualities: Are you working with a plant known for heat-activated constituents (like German Chamomile)? Steam distillation may be the better choice for accessing those particular compounds.
• For Aromatic Fidelity: Are you blending for perfumery or want the oil to smell as close to the original plant as possible? CO2 extracts or absolutes typically capture more of the plant’s natural fragrance complexity.

Vibrational Alignment And Personal Intuition

Your body often senses subtle preferences before your mind does. When trying essential oils, take a moment to connect with the aroma and notice how it’s experienced. Some people find CO2 extracts feel more grounding or expansive, while steam distilled oils may feel lighter or easier to layer in blends. Let personal awareness and intuition guide the process.

Craftsmanship, Purity, And Source Matters

Extraction is both a science and an art form. The quality of the plant material, harvesting practices, and the skill of the extractor all shape the oil’s final expression. Over the years, we’ve built direct relationships with wildcrafters, distillers, and growers who share our values around integrity, sustainability, and respect for the plant kingdom.

Our Essential Oils Collection reflects that care. About 95% of our products are organic or wildcrafted, and all are unsprayed and pesticide-free. We vibrationally enhance our oils using energetic tools, ORMUS, and BioGeometry. Whether steam distilled or CO2 extracted, each oil is crafted with attention to quality and energetic integrity.

Our CO2 Extracts represent a smaller, carefully curated portion of our collection, chosen specifically for plants that benefit from this gentler, more comprehensive extraction method.

Working With Both Methods

You don’t have to choose one approach exclusively. Many practitioners keep both steam distilled and CO2 extracted versions of their favorite plants, reaching for different expressions depending on their needs. This gives you flexibility to explore the full range of what each botanical has to offer.

There’s no single right answer, only growing awareness. As your relationship with essential oils deepens, so does your understanding of how different extractions fit into your personal practices. If you want to find a way to explore oils coming from different extraction methods throughout the year, our Alchemy Club is a great place to start.

Final Thoughts

Working with essential oils is a practice of presence. It invites closer listening to plants, to your body, and to the subtle shifts that arise through sensory experience. Extraction is not just a technical detail; it’s part of the story that shapes aroma, texture, complexity, and how an oil is perceived.

CO2 extraction offers one way of preserving a broader range of a plant’s aromatic constituents, while steam distillation continues to be valued for its transformative qualities, historical wisdom, and etheric character. Each method has its place, and both have been chosen intentionally throughout our collection. What matters most is alignment with intention, quality, and trust in the process.

At its heart, this work is about relationships. The more we understand how oils are made, the more we can appreciate their nuance and presence. Choosing an extract becomes less about comparison and more about connection—and that’s where the practice truly begins.

Frequently Asked Questions About CO2 vs Steam Distilled Essential Oils

Why do some oils still use steam distillation instead of CO2?

Many plants express themselves beautifully through steam distillation. In some cases, like German Chamomile, the heat actually creates important therapeutic constituents that wouldn’t form otherwise. Steam distillation also has centuries of traditional use, making it well-understood and widely accessible. Additionally, CO2 extraction equipment is more specialized and costly, which limits availability and makes steam distillation the practical choice for many plants.

Are CO2 extracts thicker or more concentrated than steam distilled oils?

Yes, CO2 extracts often have a denser, more viscous texture due to the presence of heavier plant compounds such as resins and waxes. They’re typically more concentrated and potent as well. Some people experience this as richer or more grounding, while others prefer the lighter texture of steam distilled oils. Sometimes CO2 extracts are even semi-solid, while their steam distilled counterparts may remain liquid.

Do CO2 extracts have a longer shelf life than steam distilled oils?

Not necessarily. Shelf life depends more on the specific plant, storage conditions, and oxidation sensitivity than on the extraction method itself. Like most essential oils, both CO2 extracts and steam distilled oils are generally best used within 2–5 years. They should be stored away from heat, light, and air to help preserve their integrity and aroma.

Is CO2 extraction considered sustainable?

Carbon dioxide is a reusable gas, and the process can produce minimal waste when performed responsibly. However, the specialized equipment required means fewer producers can offer CO2 extraction, which can limit availability. Sustainability ultimately depends on sourcing practices, scale, and ethical extraction methods rather than the extraction type alone.

Can CO2 extracts be used in aromatherapy diffusers?

Some can, though their thicker texture or heavier constituents may not be suitable for all diffusers. It’s generally recommended to consider viscosity and diffuser design first. Steam distilled oils are often more compatible with standard ultrasonic or nebulizing diffusers.

Do CO2 extracts smell stronger than steam distilled oils?

They often smell fuller and more complex rather than necessarily “stronger.” CO2 extracts tend to carry a richer, more layered aromatic profile that includes nuances which may be lighter or absent in steam distilled oils. They typically smell more like the original plant material.

Is there a difference in energetic or vibrational quality between CO2 and steam distilled oils?

Many practitioners perceive differences between the two. CO2 extracts are often described as feeling fuller, more grounded, or more complex energetically. Steam distilled oils may feel lighter, more etheric, or more uplifting. These perceptions are subjective and vary by individual, plant, and context.

Are CO2 extracts more expensive than steam distilled oils?

Often, yes. CO2 extraction requires specialized equipment and careful processing, and there are fewer producers offering this method. These factors can affect cost, especially for small-batch or artisan oils. Steam distilled oils are generally more widely available and accessible.

Can CO2 and steam distilled oils be blended together?

Absolutely. Many formulations combine both methods to balance aromatic qualities or express a broader range of a plant’s character. Blending allows you to work with the unique strengths of each extraction method.

Which extraction method does Essential Oil Wizardry primarily use

About 60-70% of our collection consists of steam distilled oils, 20-30% are CO2 extracts, and around 10% are absolutes (solvent extracted). Dr. Nick selects the extraction method based on each plant’s unique chemistry, the intended application, and which method best honors that particular botanical. Our company also offers a line of ultrasonic extracted tinctures.

DISCLAIMER:
The information provided is intended for educational and informational purposes only and reflects historical, cultural, and experiential perspectives. It is not intended to diagnose, treat, cure, or prevent any disease, nor should it be interpreted as medical, legal, or professional advice. Individual experiences may vary. Always use personal discernment and consult a qualified professional when appropriate.

Sources:

1. Michigan State University. (n.d.). Essential oils: An overview. Retrieved January 15, 2026, from https://cris.msu.edu/news/essential-oils/essential-oils-an-overview/
2. Iowa State University BRL. (2011). Essential oils. Retrieved January 15, 2026, from https://www.engineering.iastate.edu/brl/files/2011/10/brl_essentialoils.pdf
3. Carbon dioxide supercritical extraction. (n.d.). In ScienceDirect Topics. Retrieved January 15, 2026, from https://www.sciencedirect.com/topics/engineering/carbon-dioxide-supercritical-extraction