Argan oil is a versatile oil pressed from the kernels of the argan tree, native to Morocco, and you can use it on your hair, skin, nails, and even in cooking, depending on the grade. The key to getting results is choosing the right type and applying it correctly for each purpose.
Cosmetic vs. Food Grade: Pick the Right One
There are two distinct types of argan oil, and they are not interchangeable. Cosmetic argan oil is cold-pressed from unroasted kernels. It has a light golden color and a very faint, slightly nutty scent. Food-grade argan oil is pressed from kernels that have been lightly roasted for a few minutes, giving it a deeper copper color and a rich, hazelnut-like flavor created by compounds that form during roasting.
For anything you plan to put on your skin or hair, you want the cosmetic grade. The ingredient label should list “Argania spinosa kernel oil,” ideally as the only ingredient. Food-grade argan oil belongs in the kitchen. Its roasted flavor is wonderful drizzled over couscous, salads, or grilled vegetables, but the roasting process changes its chemical profile in ways that make it less suitable for skin care.
How to Use It on Your Hair
One to two pumps (or about 3 to 5 drops) is enough for most hair lengths. You can always add more, but starting small prevents that greasy, weighed-down feeling. Apply the oil to your palms, rub them together, then work it through mid-lengths and ends. For scalp dryness or flaking, massage a small amount directly into your scalp as well.
You have a few options for timing:
- As a finishing oil: Apply to dry or towel-dried hair after styling to smooth frizz and add shine. Focus on the ends, where hair is oldest and most damaged.
- As a pre-wash treatment: Work a generous amount through dry hair from roots to tips, leave it on for 20 to 30 minutes (or overnight for deeper conditioning), then shampoo it out. This is especially useful for hair that’s been heat-styled or color-treated.
- As a heat protectant layer: A few drops applied to damp hair before blow-drying can help reduce moisture loss during styling. The oil’s fatty acids form a thin barrier on each strand.
The oil hydrates and helps balance the lipid environment on your scalp, which can soothe mild irritation. If you deal with a dry, itchy scalp between washes, massaging a few drops into the scalp at night can help calm inflammation.
How to Use It on Your Face and Body
Argan oil absorbs relatively quickly compared to heavier oils like castor or coconut, which makes it practical for facial use. After cleansing, warm 2 to 3 drops between your fingertips and press the oil gently into damp skin. Damp skin absorbs oil more readily than dry skin, so applying it right after washing or misting with water helps it sink in faster rather than sitting on the surface.
You can use it on its own as a lightweight moisturizer, or layer it under your regular moisturizer to boost hydration. It works well for both dry and oily skin types because its fatty acid profile closely resembles the oils your skin produces naturally. For your body, apply it to rough areas like elbows, knees, and heels right after showering.
Argan oil has antimicrobial and anti-inflammatory properties that make it helpful for calming conditions like eczema and acne-related irritation. It won’t replace a targeted treatment for severe breakouts, but as a daily moisturizer it supports the skin’s barrier without clogging pores the way thicker oils can.
How to Use It on Your Nails
Brittle nails and ragged cuticles respond well to consistent, small applications. Massage one drop of argan oil into each nail and cuticle before bed. This is the simplest approach and takes about a minute.
For nails that are especially dry or peeling, try an overnight repair: apply the oil generously to all ten nails, then wear thin cotton gloves while you sleep to lock in moisture. You can also do a weekly soak by mixing a teaspoon of argan oil into a small bowl of warm water and soaking your fingertips for about 10 minutes. This softens cuticles and makes them easier to push back gently with a towel afterward.
How to Use It in Cooking
Food-grade argan oil is best used as a finishing oil rather than a cooking oil. Its roasted, nutty flavor shines when drizzled over dishes just before serving. Try it on hummus, roasted vegetables, grain bowls, or stirred into salad dressings. In Moroccan cuisine, it’s traditionally mixed with honey and almonds to make a spread called amlou.
Heating food-grade argan oil at high temperatures breaks down its flavor compounds and reduces its nutritional value, so treat it more like a good extra-virgin olive oil: something you add at the table, not something you fry with.
How to Spot Quality Oil
Pure cosmetic argan oil is light gold in color, not dark amber or completely clear. It should have a faint, slightly nutty smell that fades quickly. If it smells strongly like roasted nuts, you may be looking at food-grade oil marketed as cosmetic. If it has no scent at all, it may be heavily refined or diluted.
Check the ingredient list for “Argania spinosa kernel oil” as the sole ingredient. Products that list argan oil alongside silicones, fragrances, or other carrier oils are blends, not pure argan oil. Blends aren’t necessarily bad, but they behave differently and you’ll use them in smaller amounts since the argan oil is diluted. Look for oil packaged in dark glass bottles, which protect it from light-driven oxidation.
Storage and Shelf Life
Cosmetic argan oil lasts about one year when stored at room temperature in a dark, sealed container. It is notably less stable than food-grade argan oil because the roasting process in food-grade oil actually generates compounds that resist oxidation. In lab testing, cosmetic argan oil resisted breakdown for roughly 13 hours under accelerated conditions, compared to 31 hours for the food-grade version.
To get the most life out of your bottle, keep it away from direct sunlight and heat. A bathroom shelf exposed to steam and temperature swings is one of the worst spots. A bedroom drawer or a cool closet is better. If the oil starts to smell sharp or rancid, it has oxidized and should be replaced.
Allergy Considerations
Argan oil comes from a tree nut, and while allergic reactions to it are rare, they have been documented. If you have a known tree nut allergy, the risk of cross-reactivity exists. Some allergists recommend that people allergic to one tree nut avoid all tree nut-derived products as a precaution. If you’re unsure, do a patch test: apply a small amount to the inside of your wrist, wait 24 hours, and check for redness, itching, or swelling before using it more broadly.