Your Cool Home is supported by its readers. Please assume all links are affiliate links. If you purchase something from one of our links, we make a small commission from Amazon. Thank you!
You can make your own basil essential oil at home using a simple steam distillation method or a more accessible carrier oil infusion.
Making your own basil essential oil is a rewarding DIY project that gives you a fresh, potent oil for aromatherapy, natural cleaning, and homemade skincare.
While true essential oils require specialized equipment, you can absolutely make a high-quality basil-infused oil that captures the plant’s aromatic compounds and therapeutic benefits.
In this post, we’ll walk you through exactly how to make your own basil essential oil, covering both the traditional steam distillation approach and the easier infusion method.
We’ll also explore which basil varieties work best, how to harvest your leaves, and how to store your finished oil for maximum shelf life.
Let’s get started on your homemade basil essential oil journey.
Why You Should Make Your Own Basil Essential Oil
When you make your own basil essential oil, you take full control over the quality and purity of the final product.
Store-bought essential oils can be expensive, and you never really know if they’ve been diluted or processed with harsh chemicals.
By making your own basil essential oil, you get a 100% natural product that’s free from additives and preservatives.
Plus, the process is incredibly satisfying, and the fresh, herbaceous aroma of homemade basil oil beats anything you’ll find on a shelf.
Whether you’re a gardener with an abundance of basil or just a DIY enthusiast, learning how to make basil essential oil at home is a skill you’ll use for years.
1. The Difference Between Infusion and Distillation
Before you make your own basil essential oil, it’s important to understand the difference between a true essential oil and an infused oil.
True essential oils are extracted through steam distillation, which captures the volatile aromatic molecules in a highly concentrated form.
An infused oil, on the other hand, simply soaks basil leaves in a carrier oil, which pulls out some of the plant’s beneficial compounds but leaves it much less concentrated.
For most home users, making your own basil essential oil through infusion is far more practical because it doesn’t require expensive glassware or a still.
If you do want a true essential oil, you can purchase a small home distillation kit and follow the same steps we’ll outline below.
2. Why Basil Varieties Matter
Not all basil is created equal when you’re making your own basil essential oil.
Sweet basil (Ocimum basilicum) is the most common variety and produces a mild, sweet oil that’s perfect for general use.
For a stronger, more medicinal oil, try holy basil (tulsi) or lemon basil, which have higher concentrations of aromatic compounds.
If you want a spicy, clove-like scent, Thai basil is an excellent choice for homemade basil essential oil.
Whichever variety you pick, make sure the leaves are fresh, healthy, and free from any signs of disease or pest damage.
How to Harvest and Prepare Basil for Essential Oil
To make your own basil essential oil, you need to start with properly harvested and prepared leaves.
1. When to Harvest Basil
The best time to harvest basil for essential oil making is in the morning, right after the dew has dried but before the sun gets too hot.
At this time, the essential oil content in the leaves is at its peak, giving you a more potent final product.
Cut the stems about six inches from the top, and avoid harvesting during or right after rain, as excess water can dilute the oils.
For the highest yield of homemade basil essential oil, harvest just before the plant starts to flower.
Once basil flowers, the leaves may become bitter and the oil concentration drops significantly.
2. Cleaning and Wilting the Leaves
After harvesting, rinse the basil sprigs gently under cool running water to remove dirt, insects, and any residue.
Pat them dry with a clean towel, then spread them out on a dry surface to wilt for a few hours.
Wilting removes excess moisture from the leaves, which is crucial when you make your own basil essential oil.
If you skip this step, your oil may end up cloudy, and the infusion process will be less effective.
Once the leaves look slightly limp but are still green and fragrant, they’re ready for the extraction process.
How to Make Basil Essential Oil by Steam Distillation
If you’re committed to making a true basil essential oil at home, steam distillation is the gold standard.
1. Set Up Your Distillation Kit
You can buy a home distillation kit online, which typically includes a boiling flask, a condenser coil, and a collection vessel.
Place your wilted basil leaves into the boiling flask and add just enough water to cover the bottom of the flask.
You don’t want to drown the leaves; you just need water to create steam.
As you make your own basil essential oil, the steam will pass through the plant material, releasing the volatile aromatic molecules from tiny sacs in the leaves.
2. Run the Distillation Process
Connect the flask to the condenser and heat the water to a gentle boil.
The steam will carry the basil’s essential oil vapor into the condenser, where it cools back into liquid form.
The liquid that drips into your collection vessel is a mixture of basil essential oil and water.
Since oil and water don’t mix, the basil essential oil will float on top, allowing you to separate it with a pipette or separator funnel.
The whole process takes about 60 to 90 minutes for a small batch of homemade basil essential oil.
3. Collect and Store the Oil
Once you see that no more oil is collecting on the surface, turn off the heat and let everything cool.
Carefully siphon off the basil essential oil into a dark glass dropper bottle, avoiding any water that may have mixed in.
Store your homemade basil essential oil in a cool, dark place, and it should stay potent for up to a year.
How to Make Basil Infused Oil (The Easier Method)
If steam distillation feels too complicated, you can still make your own basil essential oil using the infusion method, which is perfect for beginners.
1. Choose a Carrier Oil
While not a true essential oil, basil-infused carrier oil offers many of the same benefits and is much easier to make at home.
Good carrier oil options include jojoba oil, olive oil, sweet almond oil, or fractionated coconut oil.
These carrier oils have a neutral scent and a long shelf life, so they won’t overpower the basil aroma.
For DIY basil essential oil in a pinch, jojoba oil is often the top choice because it mimics the skin’s natural sebum.
2. Fill a Jar with Basil and Carrier Oil
Take a clean, dry glass jar and fill it about three-quarters full with your wilted basil leaves.
Pour your chosen carrier oil over the leaves, making sure they’re completely submerged and no leaves are sticking out above the oil line.
Any exposed basil will turn moldy, ruining your entire batch of homemade basil essential oil.
Use a chopstick or skewer to press the leaves down and release any trapped air bubbles.
3. Infuse for Two to Four Weeks
Seal the jar tightly and place it in a warm, sunny spot, like a windowsill, for two to four weeks.
Shake the jar gently every couple of days to redistribute the basil and encourage better extraction.
As the days pass, the carrier oil will gradually take on the green color and herbaceous aroma of the basil.
This slow infusion is the secret to making your own basil essential oil without any fancy equipment.
4. Strain and Store the Infused Oil
After two to four weeks, strain the basil-infused oil through a fine mesh strainer lined with cheesecloth.
Squeeze the cheesecloth firmly to extract every last drop of oil from the basil leaves.
Transfer your homemade basil essential oil (infused) into dark amber or cobalt blue bottles to protect it from light degradation.
Label the bottles with the date, and you’ll have a ready-to-use basil oil that lasts about six months to a year.
Tips for Getting the Strongest Basil Essential Oil at Home
To get the most out of your homemade basil essential oil, there are a few tips you should keep in mind.
1. Use More Basil Than You Think
A common mistake when people make their own basil essential oil is using too few leaves.
Basil’s oil content is relatively low, so you need a generous amount of fresh leaves to produce a noticeable yield.
For the infusion method, pack the jar as full as possible with basil leaves before adding the carrier oil.
For steam distillation, fill the flask to about two-thirds capacity, but don’t pack it so tightly that steam can’t pass through.
2. Dry the Basil Before Extraction
Fresh basil can contain up to 90% water, which dilutes your final oil and makes the extraction less efficient.
Wilting or lightly drying the leaves before you make your own basil essential oil reduces this water content and concentrates the aromatic compounds.
You can also use fully dried basil for infusion, but you’ll need to let it infuse for a few extra weeks.
3. Avoid Overheating
Heat is essential for distillation, but too much heat can destroy the delicate compounds in basil essential oil.
Keep your heat at a gentle simmer during steam distillation, and never boil the water vigorously.
For the infusion method, avoid placing your jar in direct, harsh sunlight that gets too hot, as this can degrade the oil.
A warm, slightly shaded spot is perfect for steeping your homemade basil essential oil.
So, How Do You Make Basil Essential Oil at Home?
You can make your own basil essential oil through steam distillation for a true concentrate or through carrier oil infusion for a gentler, DIY-friendly version.
When you make your own basil essential oil using steam distillation, you get a potent product that’s perfect for diffusers and aromatic blends.
If you choose the infusion route, you’ll enjoy a moisturizing and soothing oil that’s ideal for massage, skincare, and hair treatments.
Either way, making your own basil essential oil is a fun, sustainable, and cost-effective way to enjoy the benefits of this incredible herb.
Just remember to harvest fresh basil, prep it properly, and store your finished oil in dark glass bottles away from heat and light.
We hope this guide helps you successfully make your own basil essential oil and enjoy the fresh, earthy scent of homemade goodness.
Happy oil making!