Aloe vera oil is made by infusing aloe vera gel into a carrier oil, a process called maceration. Unlike essential oils that are distilled from plants, aloe vera oil is always an infusion because the plant’s beneficial compounds need a fatty base to carry them. The process is straightforward, but getting it right requires attention to one critical detail: removing as much water as possible from the gel before it meets the oil, since water breeds mold and spoils your final product.
Why You Can’t Just Mix Gel and Oil
Fresh aloe vera gel is roughly 99% water. If you stir raw gel into oil, the water separates out and creates a perfect environment for bacteria and mold. Within days, the mixture will cloud, smell off, and become unusable. The key to a shelf-stable aloe vera oil is dehydrating the gel first, or using a slow-heat method that evaporates the water during infusion.
The compounds you actually want to extract are fat-soluble: plant sterols like beta-sitosterol and stigmasterol, vitamin E (alpha-tocopherol), and fatty acids. These transfer readily into oil during maceration. Water-soluble compounds like the polysaccharides that make aloe gel slippery won’t dissolve into oil no matter what you do, so aloe vera oil has a different benefit profile than pure gel.
Preparing the Aloe Leaf
Start by cutting a mature, thick leaf from the outer ring of the plant. These older leaves have the highest concentration of active compounds. Wash the leaf thoroughly under running water to remove dirt.
Stand the leaf upright in a glass or bowl, cut-side down, for 15 to 20 minutes. This drains the yellow latex (called aloin) that sits just beneath the outer rind. Aloin is a strong laxative and skin irritant, so you want it out completely. You’ll see yellowish liquid pooling at the bottom of the glass. Rinse the cut end after draining.
Now fillet the leaf. Lay it flat, slice off the serrated edges, then cut away the green rind from both sides. You’re left with the translucent inner gel. Rinse this gel under water once more to wash away any remaining yellow residue. If the gel still looks yellowish or greenish rather than clear, rinse again.
Dehydrating the Gel
Dice the gel into small cubes, roughly half an inch. Spread them in a single layer on a parchment-lined baking sheet. You have two options for drying:
- Oven method: Set your oven to its lowest temperature, ideally around 150°F (65°C). Leave the door slightly cracked to let moisture escape. Dry for 2 to 3 hours, checking every 30 minutes. The pieces should shrink significantly and feel dry and slightly brittle.
- Sun drying: Place the tray in direct sunlight, covered loosely with cheesecloth to keep insects off. This takes 2 to 4 days depending on humidity and temperature. Bring the tray inside at night to avoid dew re-moistening the pieces.
Once dried, grind the pieces into a coarse powder using a blender, food processor, or mortar and pestle. This powder is what you’ll infuse into oil. You can also use a food dehydrator if you have one, setting it between 125°F and 150°F.
Choosing a Carrier Oil
The carrier oil determines most of the final product’s texture, scent, and shelf life. Each option brings its own properties to the blend:
- Coconut oil: Solid below 76°F, penetrates hair shafts well, naturally resists rancidity. Good choice if you’re making the oil primarily for hair.
- Sweet almond oil: Lightweight, absorbs easily into skin, mild nutty scent. A versatile pick for both skin and hair use.
- Olive oil: Heavier feel, rich in its own antioxidants, very long shelf life. Works well for body oil but can feel greasy on the face.
- Jojoba oil: Technically a liquid wax, closest to human sebum in structure. Excellent for facial use and has an exceptionally long shelf life because it resists oxidation.
Use about one cup of carrier oil for every two to three tablespoons of dried aloe powder. You can adjust this ratio depending on how concentrated you want the final oil.
The Slow-Heat Infusion Method
This is the fastest reliable approach and takes a single afternoon.
Combine your dried aloe powder and carrier oil in a double boiler or a heat-safe glass jar set inside a pot of water. Heat the water to a gentle simmer, keeping the oil temperature between 100°F and 130°F. You don’t want the oil to get hot enough to smoke or bubble. Stir every 15 to 20 minutes.
Maintain this low heat for 2 to 4 hours. The oil will gradually take on a slightly golden or greenish tint as the fat-soluble sterols and vitamins transfer into it. If you’re using coconut oil, it will be fully liquid at these temperatures.
Remove from heat and let the mixture cool to room temperature. Strain through a fine-mesh sieve lined with cheesecloth into a clean, dry glass jar. Squeeze the cheesecloth to extract as much oil as possible. Discard the spent aloe material.
The Cold Maceration Method
If you prefer a hands-off approach and don’t mind waiting, cold maceration preserves heat-sensitive compounds more effectively. Add your dried aloe powder to a clean glass jar, pour the carrier oil over it, and seal tightly. Store in a cool, dark place like a cupboard.
Shake the jar once daily for 2 to 3 weeks. The extended contact time allows the oil to slowly pull out the plant’s sterols, fatty acids, and vitamin E without any risk of heat degradation. After 2 to 3 weeks, strain through cheesecloth into a clean jar.
Some people place the sealed jar on a sunny windowsill instead, using solar warmth to speed extraction slightly. This cuts the time to about 10 to 14 days but raises the risk of the oil going rancid if temperatures fluctuate too much. The dark cupboard method is more predictable.
Using Fresh Gel Without Dehydrating
If you don’t want to dehydrate the gel, you can use a stovetop evaporation method, though it requires more attention. Blend the fresh, filleted gel until smooth, then combine it with your carrier oil in a wide, shallow pan. Heat on the lowest setting, stirring frequently. The water in the gel will slowly evaporate as steam over 3 to 5 hours. You’ll notice the mixture stop sputtering and spitting once most of the water is gone.
The risk here is overheating. If the pan gets too hot, you’ll degrade the beneficial compounds and potentially burn the aloe solids. A wider pan helps because it exposes more surface area for evaporation. Once the oil looks clear and calm with no more steam rising, strain it through cheesecloth.
Storage and Shelf Life
Pour your finished oil into a dark glass bottle, amber or cobalt blue. Light accelerates oxidation, which turns oils rancid. Store in a cool, dark place. Properly made aloe vera oil with fully dried material lasts 6 to 12 months, depending on which carrier oil you used. Jojoba and coconut oil bases tend to last longest, while sweet almond oil has a shorter window of about 6 to 9 months.
If you notice the oil smelling sharp, sour, or “painty,” it has oxidized and should be discarded. Adding a few drops of vitamin E oil (sold as a supplement in most pharmacies) before sealing the bottle acts as a natural antioxidant and can extend shelf life by a couple of months.
What Aloe Vera Oil Is Good For
The fat-soluble compounds that infuse into the oil give it a different set of strengths than raw aloe gel. Plant sterols like beta-sitosterol have anti-inflammatory properties and support skin barrier repair. Vitamin E protects against oxidative damage from sun exposure and environmental pollution. The carrier oil itself locks in moisture, which is why aloe vera oil works well as a leave-in hair treatment or body oil.
For hair, the oil coats and penetrates the shaft, reducing protein loss during washing. Massaging it into the scalp can soften dry, flaking skin. For the body, it absorbs well after a shower when skin is still slightly damp, helping trap that surface moisture. On the face, it works best for normal to dry skin types. If your skin runs oily, stick with a jojoba oil base and use it sparingly at night.