Aromatherapy Basics: Beginner's Guide to Using Essential Oils

I’ve been exploring and practising aromatherapy for years, and I still remember how overwhelming it felt at the beginning. Which essential oils do you buy first? Do you need a diffuser to start? Can you apply essential oils directly to the skin? Are all essential oils safe to use?

While there is a lot of information about aromatherapy, not much of it is aimed at someone just starting out. That’s exactly why this guide exists. I wrote it in a way I wish I’d had when I was starting.

Think of it as the starting point -straightforward, jargon-free, and focused on getting you from curious to confident as quickly as possible.

Plant Therapy Starter Bundle with a diffuser and 3 bottles of essential oils - lemon, lavender, and peppermint.

This page introduces the foundations: what essential oils are, how they’re commonly used, what basic safety looks like, and where to explore from here. Everything links out to deeper posts when you’re ready for more detail.

Medical Disclaimer: This article is for informational purposes only and is not medical advice. For health concerns, consult a licensed healthcare professional. Read the full medical disclaimer.

What Is Aromatherapy?

Aromatherapy is a lifestyle practice centered around using natural plant scents to enhance everyday spaces and routines.

On Aromatherapy Anywhere, I focus on aromatherapy as a non-medical practice. You’ll learn how to use essential oils for atmosphere and personal preference rather than treatment or therapy.

At its simplest, it’s choosing a single oil or a blend for your morning diffuser, adding essential oils to a batch of bath salts, or reaching for a roll-on that makes your handbag smell like a spa.

Aromatic plants have been woven into human life for thousands of years. Egyptians burned frankincense in rituals, Romans scented their baths with lavender, and today’s aromatherapy practice is a continuation of that long tradition of enjoying plant fragrance in daily life.

You can read more in this detailed guide to what aromatherapy is.

There’s no single correct way to practice aromatherapy. Some people like to diffuse essential oils in the background throughout the day. Others prefer a scented bath on weekends or a few drops in their homemade sugar scrub.

Your practice should reflect the scents you love and the routines that actually suit your life.

What Are Essential Oils?

Essential oils are highly concentrated aromatic extracts derived from plant parts such as flowers, leaves, bark, roots, peels, and resins. They capture the characteristic scent of their source material, whether that’s the bright freshness of lemon peel, the floral sweetness of lavender blossoms, or the earthy warmth of sandalwood.

These essential oils are obtained through steam distillation or cold pressing. Steam distillation is used to extract oils from florals, herbs, woods, and roots. Cold pressing extracts oils from citrus peels. The extraction method affects the oil’s character, which is why lemon smells like biting into fresh peel rather than sipping lemon tea.

Essential oils are remarkably concentrated. A single drop of peppermint contains the aromatic equivalent of many cups of peppermint tea. This potency is why they deliver such a powerful scent from just a few drops, and why they need to be used thoughtfully, particularly when applied to skin.

Explore this list of essential oils and their uses for an in-depth look at individual oils, their aroma profile, and a few of the more popular ways each one is used.

Common Ways to Use Essential Oils

Essential oils are incredibly versatile. They fit into everyday life in more ways than most beginners realize.

Here’s a brief overview of the most popular uses, each with links to more detailed posts when you’re ready for it.

Diffusing for Home Scenting

Using an essential oil diffuser is the most popular starting point.

Ultrasonic diffusers, the kind that mist water and oil together, are quiet, affordable, and beginner-friendly. Passive diffusers are an affordable, beginner-friendly option for scenting smaller spaces.

There are also nebulizing, heat, evaporative, reed, and portable diffusers, each suited to different spaces and preferences.

The Diffusers & Blends hub covers the different types of devices available, along with ready-to-use blend recipes.

DIY Bath, Body, and Home Fragrance

Essential oils transform simple ingredients into personal-scented self-care products: bath salts, sugar scrubs, body butters, room sprays, and more.

This is where aromatherapy gets genuinely creative. The DIY Bath, Body & Home hub has step-by-step recipes for all levels, from first-time to more experienced DIYers

Roll-Ons and Personal Scent

Roller bottles filled with a carrier oil and a few drops of essential oil make a simple, portable way to enjoy your favorite blends throughout the day. They are also a low-commitment way to explore topical use before committing to larger DIY projects.

Candles and Home Fragrance Projects

Soy candles, wax melts, and simmer pots are all popular ways to fill a home with a natural scent.

Note that some candle-makers prefer using fragrance oils rather than essential oils to scent candles. More on that distinction in the section below.

Aromatherapy Safety Basics

Essential oils are natural, but they’re also potent plant extracts. A few simple principles keep aromatherapy enjoyable and comfortable from the start.

Dilute Before Applying to Skin

Essential oils should always be blended with a carrier oil or other base ingredient before skin contact. Applying them undiluted can cause irritation or discomfort.

For most body care uses, essential oils make up just 1–2% of the total blend, highlighting that a little goes a long way.

Read the dilution guide for specific ratios for different use cases.

Patch Test New Oils

When trying an essential oil in a body care recipe for the first time, apply a small amount of the properly diluted product to your inner forearm and wait 24 hours before wider use.

This simple step, covered in more detail in the topical application guide, helps you identify any unexpected sensitivities early.

Citrus Oils And Sun Exposure

Many citrus oils are phototoxic, meaning they can cause skin sensitivity when exposed to sunlight. Do not step outdoors in the sun after applying a product containing lemon, lime, bergamot, or grapefruit.

If you’re making your own body product, choose steam-distilled citrus oils, which don’t carry the same phototoxic properties.

More on this in the sun exposure guide.

Children and Pets

Keep essential oils stored securely away from children and pets. Many oils that are perfectly comfortable for adults require extra consideration around young people.

Pets, particularly birds and cats, process essential oils differently from humans, so it’s worth researching pet-safe practices before diffusing in their environment.

Shared Spaces and Scent Sensitivity

Some people are genuinely sensitive to strong scents. When diffusing in shared rooms or workplaces, keep intensity moderate and choose broadly appealing oils like lavender or mild citrus.

Being considerate of others allows everyone to enjoy the space comfortably.

General Safety and Use

Store oils in their original dark glass bottles, tightly capped, away from heat and sunlight.

Don’t ingest essential oils. Follow recipe proportions carefully. More oil doesn’t mean a better result, and often means the opposite.

The essential oil safety guide covers all of these principles in full.

Carrier Oils: What They Are and Why They Matter

Carrier oils are neutral, plant-based oils such as sweet almond, fractionated coconut, and jojoba, which are used to dilute essential oils before applying to the skin.

Carrier oils make essential oils safe and comfortable to use topically while adding their own pleasant texture to body care recipes. If you’re planning any DIY blending or topical use, you’ll need at least one carrier oil in your collection.

The Carrier Oils & Infused Oils guide explains the differences between common options and helps you choose the right one for each project.

Understanding Essential Oil Quality

Not all essential oils are the same, and understanding what to look for protects you from disappointment and helps your money go further. These are some highlights from the more detailed guide on what to look for and what to skip when buying essential oils.

What to Look for on Labels

A quality essential oil label should include: the botanical (Latin) name of the plant, the country of origin, the part of the plant used, the extraction method (steam distilled or cold pressed), and a clear statement that the bottle contains 100% pure essential oil with no additives or synthetic fragrance.

Why Prices Vary So Much

Some oils come from abundant plants and cost very little. Sweet orange and eucalyptus are good examples.

Others, like rose or neroli, require enormous quantities of flowers to yield a small amount of oil, which is why they’re significantly more expensive.

Dramatically low prices for typically costly oils are worth investigating.

Ignore “Therapeutic Grade” and Similar Claims

Terms like “therapeutic grade” or “certified pure” are marketing language. They are not industry-recognized standards. There’s no official grading system for essential oils, so companies create their own impressive-sounding terms.

When buying essential oils, focus instead on botanical names on labels, sourcing transparency, company reputation, and third-party testing where available.

Trust Your Nose

As you gain experience, your own senses become a reliable quality guide. You’ll learn what oils should smell like and notice when something seems off.

Building a relationship with a supplier you trust, one that’s transparent about sourcing and answers questions, matters more than chasing any particular brand.

Essential Oil Storage & Shelf Life

Proper storage protects the integrity of essential oils and extends their life.

Keep bottles in their original dark glass containers, tightly capped, in a cool and stable environment away from heat and direct sunlight. A drawer or cabinet works better than a sunny windowsill, no matter how pretty the bottles look in the light.

Most essential oils last 2–3 years when stored well. Citrus oils have a shorter shelf life (around 1–2 years) because they oxidize more quickly. Resin oils like frankincense tend to improve with age.

Trust your nose. If an oil smells noticeably different, has changed colour, or has become unusually thick, it may be past its best.

Explore more on the shelf lives of essential oils.

Essential Oils vs Fragrance Oils

This is one of the most common points of confusion for beginners. Essential oils are pure plant extracts. They do not contain any additives or preservatives to enhance either their aroma or shelf life.

Fragrance oils are laboratory-created scents, either entirely synthetic or a blend of synthetic and natural components. They can smell like anything imaginable, including things that don’t exist as plant extracts (fresh linen, sugar cookies, ocean breeze).

Neither is inherently better. They serve different purposes. Essential oils are the natural choice for aromatherapy diffusing, body care, and bath products.

Fragrance oils often perform better in candle making, where they hold scent more consistently in wax.

Understanding the difference helps you choose the right option for each project and avoid being misled by products labelled “aromatherapy” that actually contain synthetic fragrance.

The full comparison is covered in Essential Oils vs Fragrance Oils.

Beginner Tips for Getting Started With Aromatherapy

Start with a few oils

You don’t need a large collection to enjoy aromatherapy. Four to six versatile oils cover most beginner needs.

A good starting set includes lavender, lemon, peppermint, sweet orange, eucalyptus, and tea tree essential oils. These work across diffusing, DIY projects, and home fragrance, and they blend well together.

Learn dilution before topical use

If you plan to use oils on skin, get comfortable with dilution ratios before you start. Our dilution guide has a clear chart covering the most common applications.

Patch test any new oil before using it more extensively

Before applying a new blend over a large area of skin, always test on a small patch first. It takes a minute and saves a lot of potential discomfort.

Store oils properly from day one

Dark glass bottles, tightly capped, away from heat and light. Getting into this habit early protects your oils and makes your collection last longer.

Keep first blends simple

Two or three oils together are plenty to start. Simple blends often smell better than complex ones when you’re still developing your blending intuition.

Lavender and lemon, peppermint and sweet orange, eucalyptus and tea tree. These classic pairs are classics for good reason.

Don’t overspend initially

A 10ml bottle of essential oil contains around 200 drops, enough for many uses. Begin with small quantities from reputable sources. Avoid large starter kits with 20+ oils unless you’re certain you’ll use them. Add to your collection as you discover what you actually reach for.

Give yourself permission to experiment

There’s no single correct way to practice aromatherapy. If the “relaxing” blend everyone recommends doesn’t do anything for you, choose different oils. If you find that citrus energizes you more than mint, follow that. Your collection should reflect your scent preferences and your actual life, not a formula.

Recommended Aromatherapy Starter Kits

If you’re wondering where to begin with buying oils, Plant Therapy is the supplier I recommend for beginners. Their oils are quality-tested, clearly labelled with botanical names and sourcing information, and priced fairly.

The two bundles below are particularly well-suited to someone just starting out.

Affiliate Disclosure: Some links on this site are affiliate links. I may earn a small commission if you purchase through them, at no extra cost to you. See the full affiliate disclosure.

Aromatherapy Beginner Bundle

Plant Therapy pairs three of the most versatile starter oils, lemon, lavender, and peppermint, with the AuraDrop Waterless Fan Diffuser in this aromatherapy starter set.

No water, no complicated setup. Add a few drops to the pad, and you’re diffusing within seconds.

The diffuser is small enough to sit on a desk or nightstand, which makes it a genuinely practical first diffuser rather than a decorative one.

This set gives you a clean, uncomplicated way to start.

Lemon, Lavender, and Peppermint Set

Plant Therapy set of 3 essential oil bottles - lavender, lemon, and peppermint.

If you already have a diffuser and only need a set of starter oils, this set is a great place to begin.

Lemon, lavender, and peppermint are three of the most popular essential oils in the world, and for good reason. They are versatile, easy to use, and smell wonderful.

With this Plant Therapy set of three oils, you can enjoy bright and citrusy, floral and calming, and cool and invigorating aromas. Together, they cover a broad range of everyday diffusing and DIY uses.

These are affiliate links. If you purchase through them, I may earn a small commission at no extra cost to you. I only recommend products I believe in.

Aromatherapy Basics FAQs

Is aromatherapy safe for beginners?

Yes, it’s safe when essential oils are used thoughtfully and correctly. That means diluting before skin contact, limiting diffusion sessions, and enjoying it as a lifestyle practice rather than a medical one. Following basic safety principles makes aromatherapy beginner-friendly from the start.

How many essential oils do I need to start?

Most beginners do well with four to six versatile oils and add more gradually as they discover what they enjoy. A bottle of lavender, lemon, peppermint, and sweet orange essential oils is enough to create lots of diffuser blends.

Do I need a diffuser to get started with aromatherapy?

Not necessarily. A passive diffuser, a simple inhaler, or even a few drops on a cotton ball achieve a similar effect. A basic diffuser and a few chosen oils are enough to get started. You can add to your equipment as your interests grow.

What’s the difference between aromatherapy and just using scented products?

Aromatherapy specifically uses essential oils, which are concentrated plant extracts, rather than synthetic fragrances. Both create pleasant scents, but aromatherapy focuses on natural botanical aromas from actual plant material.

Can I mix essential oils together?

Yes. Blending is one of the most enjoyable parts of aromatherapy. Start with two- or three-oil combinations to get a feel for how different scents interact before trying anything more complex.

Can essential oils be applied directly to skin?

No. Essential oils should always be diluted in a carrier oil or other base ingredient before skin contact. Applying undiluted oils directly can cause irritation.

Do I need to dilute essential oils for diffusing?

No. For diffusing, you add drops directly to your diffuser according to the manufacturer’s instructions. Dilution applies to topical use, not to inhalation through a diffuser.

Do essential oils expire?

Essential oils can oxidize and degrade over time, though they don’t spoil the way food does. Changes in scent, color, or consistency indicate an oil may be past its prime. Proper storage significantly extends shelf life.

Explore Aromatherapy Anywhere Further

Now that you have the foundations, these guides take you deeper into specific areas:

Essential Oil Uses: Discover the many everyday ways essential oils fit into home scenting, personal care, and lifestyle routines.

Diffusers & Blends: All diffuser types explained, plus ready-to-use blend recipes for every occasion and season.

DIY Bath, Body & Home: Step-by-step recipes for making your own aromatherapy products, from bath salts to room sprays.

Carrier Oils & Infused Oils: Everything you need to know about carrier oils for safe blending and topical use.

Articles in This Category

Browse all beginner-friendly guides in Aromatherapy Basics:

Your aromatherapy practice starts with whatever genuinely appeals to you — one oil, one diffuser, one simple blend. The more you experiment, the more you’ll discover what you love. Everything else builds naturally from there.