Complete Guide To Buying Essential Oils: What to Look For, What to Skip

When buying essential oils, knowing what to look for before spending a single dollar makes all the difference between building a collection you’ll love and a drawer full of disappointments.

The good news: once you understand the key markers, choosing the right essential oils becomes far less intimidating.

This comprehensive guide to buying essential oils will equip you with the knowledge to identify high-quality essential oils, ask the right questions, and understand the importance of these factors in your purchasing decisions.

Start With the Brand, Not the Bottle

Before even looking at a label, it pays to take a step back and research the company behind the oil.

The essential oil market attracts a wide range of producers, from rigorously tested, transparently run operations to brands that do little more than relabel bulk commodity oils in attractive packaging.

Knowing how to tell them apart saves both money and frustration.

A brand’s website is the first place to look.

Who is behind the company?

Is a qualified or certified aromatherapist involved in product development?

What certifications does the company have?

What does the brand say about its sourcing, testing, and sustainability practices?

A company that values integrity tends to be forthcoming with this information, and one that isn’t worth its price will often be vague or evasive.

Read Third-Party Reviews

Look beyond the brand’s own site and read what independent reviewers and community forums say about the quality of the oils and the reliability of the company’s customer service.

Patterns of complaints about weak scents, inconsistent quality, or poor communication are worth taking seriously.

Sustainability and ethical sourcing practices are increasingly relevant as demand for certain plant materials puts pressure on wild populations.

Brands that invest in responsible sourcing tend to be more careful across the board. It signals a quality-led culture rather than a volume-led one.

Packaging Is Important

Essential oils must be stored and sold in dark-colored glass bottles to preserve their quality.

Both the color and material of the bottle are equally important.

Pure essential oils are highly concentrated and can react with plastic containers, compromising their quality. Glass does not react with concentrated substances and is also impervious to corrosion, making it the safest choice for storing these plant extracts.

Exposure to light can degrade the components of essential oils. Dark-colored glass bottles shield the oil from excessive light exposure, protecting its precious components and preventing premature degradation.

A reputable company will always sell essential oils in amber, cobalt blue, or dark green glass bottles with a fitted cover.

Avoid buying essential oils stored in clear glass bottles or plastic containers.

Read the Label on the Bottle

The label on an essential oil bottle holds crucial information about its contents.

Two of the most important pieces of information to look for are the common name and the Latin or botanical name of the plant from which the oil is extracted.

Here’s why both matter.

Common Name: Knowing the common name of the essential oil makes it easier for you to conduct further research and learn more about the specific benefits, uses, and potential risks associated with that particular oil.

Latin Name: Understanding the Latin name is crucial because many plant species have multiple varieties, each with distinct chemical components and therapeutic properties. Knowing the exact plant variety ensures you are using the oil that best suits your needs.

Lavender, for example, has several species: Lavandula angustifolia is the classic variety, while Lavandula x intermedia (lavandin) is a sharper-smelling hybrid that costs less.

Both are genuine lavender, but their extracts are different. The aroma and properties of Lavandula angustifolia differ significantly from those of Lavandula latifolia.

A label that only says ‘Lavender’ without the Latin name offers no way to know which you’re getting.

The label should also state the country of origin.

Certain plants produce their finest oils in specific regions – Bulgarian rose, French lavender, Moroccan argan.

Reputable brands include this information because it shows they understand and care about provenance. Its absence often signals a product assembled from the cheapest available sources.

If an oil is marketed as organic, the label should state it is certified organic by a recognized organization. It should not be simply described as ‘natural’ or ‘organically grown’. Certification means verification; the rest is marketing language.

Go Beyond the Label: Check the Product Page on the Manufacturer’s Website

Essential oil bottles are small, and labels can only hold so much information.

The product page on a brand’s website should fill in everything the label cannot.

A thorough product page is a genuine quality signal. It demonstrates that the company understands its oils and wants customers to make informed choices.

A well-presented product page should include these details:

• Common name
• Botanical name
• Country of origin
• Extraction method
• Plant part used
• Bottle size
• Strength of aroma
• Shelf life
• Safety cautions
• Safety Data Sheet

Some of the better brands also note compatibility with specific groups. For example, whether an oil is considered suitable for use around pets or children.

It is worth being extra cautious if a brand’s product pages are thin on detail and only include a name, a price, and a vague description.

Brands that invest in product-level transparency are more likely to invest in quality at the production level too.

What you see above is the product page for organic lavender essential oil. It is the perfect example of what an essential oil product page should look like.

Plant Therapy’s essential oil product page includes the safety data sheet and whether it is safe for kids, pregnant women, nursing mothers, pups, and ponies.

Understand Purity and How to Verify It

Adulteration is one of the biggest problems in the essential oil industry.

Oils are often blended with cheaper carrier oils, synthetic fragrance compounds, or lower-quality versions of the same plant.

Sometimes the dilution is obvious by its watery consistency or a weak, one-dimensional aroma.

Sometimes, it isn’t so obvious. Sophisticated adulteration is essentially undetectable without laboratory testing.

GC/MS (gas chromatography/mass spectrometry) testing is the gold standard for verifying oil purity. It produces a detailed chemical profile of the oil, identifying every compound present and in what proportion.

Reputed brands send every batch of essential oils they produce to recognized, independent, third-party organizations. These organizations evaluate each batch for purity, potency, and other factors. Oils that pass the test receive a seal of approval.

Brands that get their essential oils tested make these reports, called Certificates of Analysis (COAs), available to customers by batch number. If a brand cannot or will not produce a COA, that is a significant red flag.

Third-party testing is even more reassuring than in-house testing. When an independent laboratory certifies an oil’s composition, there is no conflict of interest.

Look for brands that publish both the testing lab’s name and the batch-specific results. A single generic document that covers all products carries far less weight.

What I love about Plant Therapy is that the brand provides a test report for every batch of essential oil, reassuring potential buyers about the quality. This can be a valuable factor to consider before buying essential oils.

Watch Out for These Terms When Buying Essential Oils

Language on essential oil packaging is worth reading carefully. Some terms are genuinely informative; others are designed to sound reassuring without meaning anything verifiable.

‘Fragrance oil’ or ‘Perfume oil’

Fragrance oils are synthetic scent compounds. They are not essential oils.

Fragrance oils may smell pleasant and have their uses in candles and cosmetics, but they are not plant-derived extracts and should not be treated as equivalents. Any product using these terms is not an essential oil.

Learn more about the difference between essential oils and fragrance oils.

‘Aromatherapy oil’: There is no such product category. Essential oils are used in aromatherapy, but the term ‘aromatherapy oil’ has no standardized meaning. It is often used to make a fragrance blend or diluted product sound more legitimate.

‘Nature-identical oil’: ‘Nature-identical’ and ‘natural’ are not the same thing. A nature-identical compound is one that has been synthesized in a lab to match a naturally occurring molecule. The word ‘nature’ is doing a lot of work here to distract from the word ‘identical’. Avoid products named as such.

‘Pure’ or ‘100% natural’: Similarly unregulated. Pure or 100% can appear on bottles of diluted or adulterated oil. They are not false per se, but they are unverifiable without testing. Use them as a starting signal, not a conclusion.

The terminology used to describe essential oils is important. The terms above are misleading and intentionally used to deceive consumers.

While they may not be downright deceptive, they are designed to sound “natural” and imply higher quality without actually meaning anything.

If any of the above terms are mentioned anywhere on the label or product page of the oil, dig deeper or explore another brand.

Look for Any Mention of Additives

Pure essential oils do not and should not contain any additives. They should not contain preservatives to prolong their shelf life, chemicals to boost their efficacy, or any other additional ingredients.

The contents in the bottle must contain 100% pure essential oil extract, and nothing else.

Reputed companies adhere to very stringent measures from start to finish. They choose plants from select growers and ensure that the harvesting and transportation to the steam distillery are carried out under proper conditions.

The extraction process and bottling are then carried out while maintaining optimum conditions under very stringent standards.

Essential oils extracted under such rigid quality control are 100% pure and will last a long time. They don’t need additives, preservatives, or boosting agents to extend their shelf life

In fact, adding preservatives or other types of additives compromises the oil’s properties.

Understand The Meaning Of Therapeutic Grade

There is some debate over the terms “therapeutic grade” and “aromatherapy grade.”

You’ll see these terms often used to describe a brand’s essential oils, but the fact is, these terms are not regulated.

No official body grades or certifies essential oils using this language, and any company can print them on a label. It’s important to note that these terms have no legal meaning.

Some brands use them genuinely to indicate they consider their oils pure and unadulterated, but the claim requires no verification, so it carries no independent weight.

While the ultimate intention may not be to deceive their customers, you should know that they don’t necessarily indicate quality. Understanding this distinction can help you set realistic expectations.

Quality is better demonstrated through COAs and third-party testing than through grade terminology.

Price Matters, But Not in the Way You Might Think

Here’s where things can get a little tricky. Prices vary not just from one brand to another but even from one essential oil to another.

A bottle of lavender might be affordable, while rose, jasmine, or melissa can cost many times more. That gap is not always about branding or hype. It often comes down to what it takes to produce the oil.

Essential oils are highly concentrated plant extracts. Some plants naturally produce very little aromatic oil, so it takes a lot of botanical material to make even a small amount. Others are more generous, so the oil is easier to produce at scale.

Here are the biggest factors that shape price:

• How much plant material is needed (natural yield): Oils like rose and jasmine tend to be expensive because each flower contains tiny amounts of aromatic compounds. That low yield drives up cost.
• Harvesting and labor: Some botanicals must be picked by hand, at a specific time of day, and processed quickly. That labor adds up fast.
• Extraction method: Steam distillation is common, but some oils (like jasmine) are often made as an absolute using solvent extraction. That process takes extra steps, more equipment, and more time, which can raise the price.
• Growing conditions and supply: Weather, crop yields, and region matter. If a harvest is poor one year, prices can jump even if quality stays high.
• Testing and quality control: Reputable brands pay for third-party testing (GC/MS and other checks). That cost is built into the bottle, and it’s usually a good sign.

A helpful rule of thumb: Be cautious of any brand that charges the same flat price for every essential oil. Rose, jasmine, frankincense, and lavender do not cost the same to produce.

If the price is identical across the board, the oils may be diluted, blended, heavily standardized, or not what the label suggests.

Finally, look for pricing that makes sense across the category: common oils usually cost less, rare or labor-heavy oils usually cost more, and the brand should be able to explain why.

Organic certification is worth considering, but it is not necessary for every oil. For oils made from plant parts that tend to carry pesticide residues, such as citrus peels, herbs, and flowers, organic sourcing is a reasonable priority.

For oils distilled from wood or resin, it is less critical. Organic certification adds to cost, so being selective about where it matters most can help stretch a budget without sacrificing what genuinely counts.

How Essential Oil Extraction Methods Affect Price and Quality

Not all essential oils are made the same way, and the extraction method affects both the character of the oil and its price.

Steam Distillation: Steam-distilled oils are the most common. Heat and steam pass through plant material, pulling volatile compounds into a vapor that condenses back into liquid. Most familiar oils, including lavender, tea tree, frankincense, and peppermint, are produced this way.

Cold-Pressing: Citrus oils such as lemon, sweet orange, bergamot, and grapefruit are extracted by cold-pressing. In this technique, the peel is mechanically pressed to release the oil. These oils tend to be bright, fresh, and relatively affordable, though they are also photosensitive and should be used with care in sunlight.

Chemical Solvent: Absolutes of rose, jasmine, violet, and tuberose are extracted using chemical solvents, which draw out a wider range of aromatic compounds from delicate flowers that would not survive steam distillation. The resulting oils are richer, more complex, and more expensive. They are not always considered ‘pure’ in the strictest technical sense, but they are widely used and deeply valued.

CO2 Extraction: CO2 extraction uses pressurized carbon dioxide to extract compounds from plant material. They often capture a broader range of the plant’s aromatic profile than steam distillation and are increasingly sought after by experienced practitioners. They tend to sit at the higher end of the price range.

Test the Quality by Buying An Essential Oil Sampler Set

I added this last tip because it applied to me when I was just getting started with aromatherapy. I read tips and guides on buying essential oils, but they were always another person’s opinion. I wanted to test it out for myself.

After all, scent is deeply personal, and no guide can predict which oils will resonate with a given nose and home.

Buying a sampler set from a brand under consideration is one of the most practical ways to test quality before building a larger collection.

Many reputable brands offer curated starter sets of eight to fourteen oils in smaller bottles. These give a direct comparison of scent depth, staying power, and overall impression across multiple oils at once.

It is also an opportunity to test the brand’s packaging, labelling, and information quality before making a bigger investment.
Once a brand’s oils have been tested personally and found to suit, expanding the collection with confidence makes far more sense than committing to a large order based on reviews alone.

After researching some of the top essential oil brands, I settled on Plant Therapy and ordered this Top 14 Essential Oil Singles sampler set. This was a great way for me to test the aroma of each essential oil personally.

I used them individually in my diffuser and then experimented with blends and other DIY projects. I was really happy with the results and have expanded my collection of Plant Therapy oils over the years.

Read my review of the top 14 essential oil singles set.

The Best Starter Essential Oils

If you decide to buy individual bottles instead of a set, starting with a small, versatile collection beats buying twenty oils at once. These five deliver the most value for someone building a home aromatherapy practice for the first time:

• Lavender (Lavandula angustifolia): The most versatile oil in any collection. Familiar, widely available, and forgiving to blend with.
• Lemon: Bright and uplifting, useful in diffuser blends, home fragrance, and DIY cleaning products. Choose cold-pressed for the most vivid scent.
• Peppermint: Cooling and invigorating, ideal for morning diffuser blends and energizing a room.
• Frankincense: One of the most complex and grounding oils available. A favorite for quiet evenings and winding down.
• Eucalyptus (Eucalyptus globulus or radiata): Radiata is gentler and more versatile for general home use; globulus is sharper and more traditional.

Starting with 5ml or 10ml bottles of each is sensible both financially and practically. It gives you time to learn the scents, explore blends, and decide what to reorder before committing to larger quantities.

Plant Therapy has introduced even smaller bottles for testing. The Aroma Flight Pack includes 10 popular essential oils in 1ml bottles. Each 1ml bottle contains about 20 drops of oil. This is an excellent starter pack for anyone on a budget.

Avoid These Buying Mistakes

Choosing by price alone

The cheapest option almost always cuts corners somewhere, whether on raw material quality, testing, or transparency.

A slightly higher spend on a verified, tested oil is nearly always a better value than a larger bottle of something unreliable.

Buying from a brand that prices all its oils the same

Rose absolute and lavender cannot cost the same to produce.

Uniform pricing across a full range is a clear signal that the oils have been standardised or diluted to fit a price point, not priced according to what they actually are.

Confusing fragrance oils with essential oils

Fragrance oils are synthetic scent compounds. They are widely used in candles and cosmetics and have their own applications, but they are not essential oils and carry none of the same properties.

Buying large bottles before testing a scent

Scent preferences are personal and can shift considerably once an oil is diffused in a real space. A 100ml bottle of something overwhelming is a costly lesson.

Start small, especially with stronger oils like patchouli, ylang ylang, or clary sage.

Buying more than you can realistically use

Essential oils have a finite shelf life. Citrus oils in particular can lose their character within a year or two.

Buying large bottles of every oil at once, however appealing the bulk saving, often means watching expensive oils go to waste before they get used.

Start small, reorder what gets used, and let the collection grow naturally over time.

Overlooking the carrier oil distinction

Carrier oils are not the same as essential oils, and mixing the two leads to confusion and occasional skin sensitivity.

Essential oils are highly concentrated and are typically diluted in a carrier such as sweet almond, jojoba, or fractionated coconut oil before skin contact.

Skipping brand research

Packaging can be beautiful, and pricing can seem fair, but neither tells you much about what is inside the bottle.

A few minutes checking a brand’s testing practices, certifications, and independent reviews before buying is time well spent.

Explore More on Aromatherapy Anywhere

Once the oils are chosen and the collection is taking shape, the next step is knowing how to use them well. These posts cover the practical side of essential oil use, from safe handling to getting the most from a diffuser.

Essential Oil Know-How

How Many Drops in 10ml Essential Oil: A handy reference for understanding essential oil volumes, so calculating quantities for DIY blends, diffuser recipes, and homemade products becomes second nature.

Essential Oil Safety Guide: Practical safety guidelines for using essential oils at home with confidence, covering dilution, storage, skin application, and what to watch out for as a beginner.

How to Store Essential Oils to Maximize Shelf Life: The right storage conditions make a real difference to how long oils stay fresh and true to scent. A short read that protects a longer investment.

Beginner-Friendly Essential Oil Accessories: A simple guide to the basic tools that make essential oils easier to use, from rollers and droppers to diffusers and storage items.

Essential Oil Aroma Families: Understand the properties of different aroma families and how to choose essential oils that blend well together.

Blending Essential Oils: A beginner-friendly overview of how to combine essential oils for a balanced scent, with simple tips for choosing notes and building blends that smell intentional.

Ideas for Using Essential Oils

How to Use Essential Oils for Aromatherapy: A practical introduction to bringing essential oils into everyday routines — from diffusing and DIY blends to personal inhalers and aromatherapy jewelry.

How to Use an Essential Oil Diffuser: Covers the different types of diffusers, how each one works, and how to get the best results from whichever style suits your space.

25+ Ways to Use Essential Oils Without a Diffuser: Diffusers are just the beginning. From linen sprays and bath soaks to DIY cleaning products and skincare, there are plenty of ways to enjoy essential oils around the home.

How to Use Essential Oils on Skin: Everything you need to know about applying essential oils topically — from choosing the right carrier oil and dilution ratios to pulse points, massage blends, and building a sensory-rich skincare ritual.

How to Use Essential Oils in the Bath: A guide to adding essential oils to bath time safely and effectively, turning an everyday routine into a proper moment of calm.

How to Use Essential Oils in the Shower: For when there is no time for a long bath. Simple techniques for enjoying the scent and atmosphere of essential oils during a regular shower.

Frequently Asked Questions About Buying Essential Oils