Argan Oil for Hair: Shine, Softness and What to Expect
The ship was still creaking against the dock at Essaouira when a sailor with salt in her braid stopped me on the harbor wall. She held up a bottle no bigger than my thumb, golden as late sun, and said it was mine for one song. I sang her the slow one, the one that pulls boats home, and she pressed the bottle into my palm. "Two drops," she said. "Ends only. Don't let it near your roots."
She was right, and she'd have saved most people a lot of greasy ponytails. So what does argan oil for hair actually do? It's a plant oil from Morocco that coats each strand, so your hair feels softer, looks shinier and frizzes less. It smooths rough, dry ends and makes combing easier. It won't grow hair or mend split ends, and how much you use depends on your texture: a drop or two for fine hair, more for thick, curly or coily hair.
- Argan oil is a light-to-medium oil pressed from the kernels of the Moroccan argan tree. On hair it works from the outside, coating strands so they feel softer and look shinier.
- Realistic results: more shine, softer texture, less frizz and smoother-looking ends, starting from the first use.
- What it can't do: grow hair, thicken hair or permanently repair split ends. Only a trim fixes those.
- Use 1 to 2 drops for fine hair and more for thick, curly or coily hair, on mid-lengths and ends, not the roots.
- Argan is often treated as a tree nut, and many blends add sweet almond oil. If you have a tree nut allergy, check with your doctor first.
What is argan oil?
Argan oil is pressed from the kernels inside the fruit of the argan tree, which grows in southwestern Morocco. The fruit looks a bit like a small olive. Inside is a hard nut, and inside that are the kernels that get pressed.
There are two kinds you'll see. Culinary argan oil is made from roasted kernels, smells toasty and goes on salads. Cosmetic argan oil is pressed from unroasted kernels and has a much softer, faintly nutty smell. For your hair, you want the cosmetic kind.
Its texture sits in the middle of the oil family. It's lighter than castor or coconut oil and a touch richer than jojoba. It's mostly oleic and linoleic fatty acids, plus some vitamin E. That's why it spreads easily without leaving hair stiff.
Argan oil hair benefits you can actually expect
Here's the honest list. Every one of these happens on the surface of the hair. Hair past your scalp isn't alive, so nothing "heals" it, but oil can make it behave and look a lot better.
- Softness. A thin coat of oil fills in the rough patches along each strand, so hair feels smoother when you run your fingers through it.
- Shine. Smoother strands reflect light more evenly. That's the glossy, just-out-of-the-salon look, and it's the most visible of the argan oil hair benefits.
- Less frizz. Frizz is often dry hair pulling moisture from humid air and swelling unevenly. Oil slows that exchange, so hair stays calmer on sticky days.
- Smoother-looking ends. The oldest part of your hair takes the most wear. Oil lays those ends down so they look less fluffy and see-through.
- Easier detangling. A few drops add slip, so a comb glides instead of snagging, which means less breakage from rough brushing.
What argan oil can't do
This is where a lot of labels and videos get carried away, so let's be clear.
- It won't grow hair. There's no good evidence that argan oil makes hair grow faster, longer or thicker. Unusual shedding is a question for a doctor, not a bottle.
- It won't repair split ends. Once a strand splits, it stays split. Oil can make the split look and feel less obvious until your next wash. A trim is the only fix, and oil helps protect the fresh ends afterward.
- It isn't a heat protectant. Unless a product is specifically labeled for heat, don't count on oil to shield hair from a flat iron. Use a labeled protectant before hot tools and save oil for after.
- It doesn't hydrate on its own. Water hydrates. Oil helps hold that water in, which is why it works so well on damp hair.
Pure argan vs. a hair oil blend
You'll find argan oil for hair sold two ways: pure, or as one oil in a blend. Neither is "better" across the board.
| Pure argan oil | Blend with argan | |
|---|---|---|
| Ingredients | Argan oil only | Argan plus other oils, often with vitamin E and fragrance |
| Feel | Light to medium, one consistent texture | Depends on the mix; can be lighter or richer |
| Scent | Faint and nutty | Usually scented |
| Good for | Anyone who wants the simplest label | Anyone who wants hair to smell good all day |
| Watch for | Bottles labeled "argan" that list other oils first | Every oil in the list, especially if you have allergies |
A quick tip on pure bottles: the ingredient list should say Argania spinosa kernel oil and nothing else. If argan shows up at the bottom of a long list, it's a blend, whatever the front says.
My own Siren Hair Oil Elixir is a blend, and I'm upfront about it. Every Fable Beauty Hair Oil Elixir mixes coconut, sweet almond, avocado and argan oils with vitamin E and a fragrance oil. It's 2 oz for $30, made for a few drops on damp or dry hair, mid-lengths to ends. Mine smells like pistachio almond, jasmine and sandalwood, so you get softness plus a little warm-beach perfume.
How to use argan oil for hair, by hair type
The method is the same for everyone; the amount changes. Start low, because you can't take a drop back without washing.
- Pick your moment. Damp, towel-dried hair for detangling and a smooth air-dry. Dry hair for shine and flyaways. Dry hair a few hours before washing for a pre-shampoo treatment.
- Measure into your palm. Use the drop counts in the table below.
- Warm it. Rub your palms together for a few seconds so the oil spreads thin.
- Work from the ends up. Press the oil into your ends first, then mid-lengths. Stop a few inches from the scalp.
- Comb through. A wide-tooth comb spreads it evenly and shows you if you've missed a section.
| Hair type | Drops to start | Best timing | Siren's note |
|---|---|---|---|
| Fine or straight | 1 to 2 | Dry hair, ends only | Applying dry lets you see exactly how much you've added. |
| Wavy | 2 to 3 | Damp hair, scrunched in | Scrunch upward so you don't pull your waves flat. |
| Thick | 3 to 5 | Damp hair, then a drop on dry ends | Section it so the middle layers get some too. |
| Curly | 3 to 5 | Damp hair, as the last layer to seal | Glaze over curls with flat palms to keep clumps intact. |
| Coily | 4 to 6 or more | Damp hair after a water-based leave-in | Work in small sections; oil holds moisture in rather than adding it. |
If your hair is oily at the scalp or you wash it daily, skip the roots completely. For the full routine, including pre-wash oiling, read the full guide on how to use hair oil.
A note on nut allergies and sensitive skin
Argan oil comes from a kernel and is often treated as a tree nut. Many hair oil blends, including ours, also contain sweet almond oil, which is a tree nut. If you have a tree nut allergy, check with your doctor before using argan oil or a blend that contains it.
For everyone else, patch test anything new. Put a drop behind your ear or on your inner arm and wait a day. If you get redness or itching, stop using it. If your scalp stays itchy, flaky or sore for more than a couple of weeks, see a dermatologist rather than piling on more oil.
My argan picks
- The Siren Hair Oil Elixir ($30, 2 oz): my signature. Argan in a blend with coconut, sweet almond and avocado oils, scented pistachio almond, jasmine and sandalwood.
- The Princess Hair Oil Elixir ($30, 2 oz): the same blend in sparkling red pear, orange blossom, coconut milk and vanilla orchid, if you'd rather smell like a fairy tale than a beach.
- The Siren Shimmer Veil Body Oil ($30, 1.7 fl oz): argan for your skin, with coconut, almond and avocado oils and a soft shimmer. For collarbones, not hair.
Want a different scent? Browse every Hair Oil Elixir in the collection.
FAQ
Does argan oil make your hair grow?
No. There's no good evidence that argan oil makes hair grow faster or thicker. What it can do is make the hair you already have softer and less prone to snapping when you comb it, so ends may look healthier over time.
Can argan oil repair split ends?
No oil can glue a split end back together. Argan oil can smooth the surface so splits look less obvious and feel less rough for a while. The only real fix is a trim, and oil helps protect the fresh ends after.
Is argan oil good for fine or thin hair?
It can be, if you keep the dose tiny. Use 1 to 2 drops on the ends only, never at the roots, and apply it to dry hair so you can see exactly how much you're adding.
Can I leave argan oil in my hair overnight?
Yes. A few drops on dry lengths before bed makes a simple pre-wash treatment, and you shampoo it out in the morning. Braid long hair loosely or sleep on an old pillowcase, because oil can transfer to fabric.
Is argan oil safe if I have a nut allergy?
Argan oil comes from a kernel and is often treated as a tree nut, and many hair oil blends also include sweet almond oil, which is a tree nut. If you have a tree nut allergy, check with your doctor before using either. Always read the full ingredient list.
Is pure argan oil better than a hair oil blend?
Not automatically. Pure argan oil is a good single-ingredient choice, while a blend layers argan with other oils for a different feel and usually adds fragrance. Pick based on your hair texture and how much scent you like.
One last thing
I still have that tiny bottle from the harbor, empty now, its cork smelling faintly of salt. I never saw the sailor again, but her advice is the best argan oil for hair rule I know: two drops, ends only, never the roots. Worth far more than a song.
Every beauty has a story.
— The Siren
