Argan oil is a plant oil extracted from the kernels of the argan tree (Argania spinosa), a species native to Morocco and parts of Algeria. Often called “liquid gold,” it takes roughly 40 kilograms of dried fruit to produce a single liter of oil, which explains both its high price and its reputation as a premium ingredient in skincare, haircare, and cooking.
Where Argan Oil Comes From
The argan tree is a paleo-relict species, meaning it has survived largely unchanged since the late Tertiary period, millions of years ago. Today it grows almost exclusively in southwestern Morocco, stretching from the Saharan coastal plain into the valleys of the Atlas and Anti-Atlas mountains, with a few small, isolated populations in northern Morocco and Algeria.
In 1998, UNESCO declared nearly 2.6 million hectares of Moroccan argan groves (known as the Arganeraie) a Biosphere Reserve, recognizing the tree’s role in preventing desertification and supporting local livelihoods. The argan tree is deeply tied to rural Moroccan communities, particularly women’s cooperatives that harvest and process the fruit.
How It’s Made
Traditional extraction is famously labor-intensive, involving seven steps passed from mother to daughter: picking the fruit, peeling it, hand-cracking the extremely hard nut, roasting the kernels, grinding them with a millstone, kneading the oily paste by hand with small amounts of water, and finally collecting the oil. A single person working this way needs about 24 hours to extract roughly one liter of oil from 50 kilograms of fruit. Even then, the leftover solid residue can still contain up to 25% of its oil.
Modern mechanical cold-press extraction has largely replaced this process in cooperatives and industrial units. It eliminates the water step, improves roasting consistency, and produces a higher yield with better shelf stability. Cold-pressed argan oil has strong oxidative stability despite its high unsaturated fat content, with food-grade oil from roasted kernels lasting well even at high storage temperatures. The mechanical process also allows cosmetic-grade oil to be labeled similarly to “extra virgin” olive oil, preserving the oil’s beneficial compounds while improving hygiene and traceability.
What’s in Argan Oil
Argan oil’s benefits come down to its fatty acid profile. It’s roughly 47% oleic acid (the same monounsaturated fat abundant in olive oil), 33% linoleic acid (an omega-6 fat your skin needs but can’t produce), and 13% palmitic acid. It also contains tocopherols (vitamin E), polyphenols, and plant sterols, all of which contribute antioxidant activity.
That balance of oleic and linoleic acid is significant. Oleic acid penetrates skin easily and helps carry other beneficial compounds with it. Linoleic acid is a building block of ceramides, the lipids that hold your skin barrier together. Many people with acne-prone or dry skin are low in linoleic acid, which is one reason argan oil works well across skin types without feeling heavy or clogging pores.
Benefits for Skin
Daily topical application of argan oil has been shown to improve skin elasticity and hydration by restoring barrier function and maintaining the skin’s water-holding capacity. In practical terms, this means the oil helps your skin hold onto moisture rather than simply sitting on top of it. It also has a softening, relaxing effect on the skin and can help other topical ingredients absorb more effectively.
The anti-inflammatory properties of argan oil’s fatty acids and polyphenols make it useful for calming irritation from dryness, minor eczema flares, or post-shave redness. Because it absorbs relatively quickly compared to thicker oils like castor or avocado, most people find it comfortable to use on the face without a greasy residue.
Benefits for Hair
Argan oil is one of the most popular oils in haircare, though its mechanism differs from oils like coconut oil. Coconut oil, with its smaller molecular structure, penetrates deep into the hair fiber and reduces damage from swelling and drying cycles (called hygral fatigue). Argan oil works more on the surface: it coats the cuticle, reducing friction during brushing and styling, and adds a visible smoothness and shine.
The cuticle layer and the cell membrane complex that binds hair cells together are the structures most vulnerable to combing, heat styling, and chemical processing. By lubricating these outer layers, argan oil reduces the mechanical force needed to detangle hair, which means less breakage over time. For heat styling specifically, a thin layer of argan oil can act as a buffer between the hot tool and the hair shaft. It won’t replace a dedicated heat protectant spray, but it adds a layer of defense.
Culinary Argan Oil
Food-grade argan oil is made from roasted kernels, which gives it a distinctive nutty, toasted flavor and a deeper brown-to-red color compared to the pale, nearly odorless cosmetic version. In Moroccan cuisine, it’s drizzled over couscous, mixed into amlou (a paste of almonds, honey, and argan oil), or used as a finishing oil for tagines and salads. It’s not typically used for high-heat cooking.
Research on argan oil’s cardiovascular effects suggests it may reduce cardiovascular risk factors when consumed regularly. Studies in both human and animal models indicate it has anti-atherogenic properties, meaning it may help prevent the buildup of plaque in arteries. The combination of oleic acid, polyphenols, and plant sterols likely drives these effects, similar to the mechanisms behind olive oil’s heart-health reputation.
How to Identify Quality Argan Oil
The argan oil market is projected to reach about $369 million in 2025 and could double by 2032, which means the incentive to sell diluted or adulterated products is real. A few sensory cues help distinguish genuine oil from imposters.
Cosmetic-grade argan oil (from unroasted kernels) should be light golden in color with little to no scent. If a cosmetic argan oil smells strongly nutty, it may be food-grade oil repackaged, or it may contain synthetic fragrance. Food-grade oil, by contrast, should have a clear hazelnut aroma and a reddish-brown tint from the roasting process. Both types should absorb into skin within a minute or two without leaving a sticky film.
On the label, look for a single ingredient: Argania spinosa kernel oil. Avoid products that list it far down the ingredients list, which means it’s present in negligible amounts. Cold-pressed or mechanically pressed oil retains more of its beneficial compounds than solvent-extracted versions. A slight natural sediment at the bottom of the bottle is normal and not a sign of poor quality.
Allergies and Safety
Argan oil comes from a seed, not a true tree nut, but it does contain proteins that could potentially trigger reactions in people with tree nut allergies. The risk depends on how refined the oil is: highly processed, refined argan oil contains fewer intact proteins and is less likely to cause a reaction. Cold-pressed or virgin oil retains more of its original protein content.
Allergic reactions to topical argan oil are uncommon but not impossible. If you have a known tree nut allergy, testing a small amount on your inner forearm before applying it to your face or scalp is a reasonable precaution. Reactions to cosmetic argan oil tend to involve skin redness or itching rather than systemic symptoms, since the amount of protein reaching the bloodstream through intact skin is minimal.