Olive Oil for Eyelashes: What It Can (and Can't) Do
Olive oil for eyelashes is one of those kitchen-cupboard beauty ideas that circulates widely online, usually with the promise that brushing a little oil along the lash line will make lashes grow longer and thicker. It is worth being honest from the start: there is no good evidence that olive oil makes eyelashes grow. What olive oil can plausibly do is condition the lashes and the surrounding skin, much as it conditions hair and skin anywhere else — which is a more modest and more accurate claim. This article looks at what olive oil realistically can and cannot do for lashes, what the evidence actually supports, how people use it, and the safety points that matter when you are working so close to the eye.
For our own oil, see our cold-pressed organic Marrakech olive oil.
The Short Answer
- Olive oil does not make eyelashes grow. No published evidence shows that olive oil increases lash length or density; lash growth is driven mainly by genetics, hormones, and the natural growth cycle.
- It can condition lashes and lash-line skin. As an emollient, olive oil can soften and coat the lash hairs and moisturise the surrounding skin, which may make lashes look glossier and feel more supple.
- "Looking better" is not the same as "growing". Conditioned, well-moisturised lashes can appear healthier and break less, but that is cosmetic conditioning, not stimulated growth.
- Safety near the eye matters most. Use the tiniest amount, keep it off the eye's surface, patch-test first, and stop if you get irritation. Oil in the eye can blur vision and cause stinging.
- Quality matters if you use it on skin. A fresh, cold-pressed extra virgin oil is the version worth putting near your face — refined "light" or "pure" blends have had most of their beneficial compounds processed out.
- Sidr & Stone's olive oil is single-estate Moroccan, rain-fed, organically grown, and cold-pressed unfiltered within hours of harvest — a food first, and not marketed as a lash treatment.
What Olive Oil Can and Cannot Do for Lashes
The honest place to begin is with the claim people most want to be true — that olive oil grows lashes — because it is the one the evidence does not support. Eyelash growth is governed by the hair follicle's natural cycle and by factors like genetics, age, hormones, nutrition, and general health. No published research shows that applying olive oil to the lashes lengthens them or increases their number. Claims to the contrary are anecdotal, and anecdote is exactly the kind of evidence that tends to reflect wishful observation rather than a real effect.
What olive oil plausibly can do is condition. It is an emollient — an oil that coats and softens — and like other plant oils it can sit on the surface of the lash hairs and the skin of the lash line, reducing dryness and adding a little shine. Lashes that are well conditioned may look glossier and feel more pliable, and supple hairs are generally less prone to snapping than dry, brittle ones. If your lashes look better after a period of oiling, that is the most likely reason: not new growth, but better-conditioned existing hairs that break a little less and catch the light a little more.
That is a genuinely useful effect, and it is worth having for what it is. It is simply not the dramatic growth claim that sells the idea online.
Why the "Growth" Idea Is So Persistent
If olive oil does not grow lashes, why does the belief endure? A few ordinary reasons combine.
First, conditioned lashes can look fuller. A lash coated in a thin film of oil reflects more light and can appear darker and more defined, which reads as "more lashes" even though the count has not changed. Second, the lash cycle naturally turns over: lashes shed and regrow on their own schedule, so anyone applying oil for a few weeks will see some new lashes appear simply because that is what lashes do. It is easy to credit the oil for growth that would have happened anyway. Third, reducing breakage can mean lashes reach their natural full length before shedding rather than snapping early, which can look like extra length without any change to the growth itself.
None of this is dishonest on the part of the people who report it — it is just how a harmless conditioning effect, plus the lash's own cycle, can be misread as growth. The careful way to describe olive oil is as a possible conditioner, not a growth treatment.
How People Use Olive Oil on Lashes
For those who simply want the conditioning effect and like a natural, single-ingredient option, the method people typically use is straightforward — and the watchword throughout is less is more.
The usual approach is to dip a clean, dry mascara-style spoolie brush (or a cotton bud) into a small amount of oil, wipe off the excess so it is barely coated, and stroke it lightly along the lashes from base to tip, keeping well away from the eye itself. Most people do this in the evening on clean, make-up-free lashes, and many wipe any residue away after a short while rather than leaving a film overnight. A tiny quantity is the entire point: enough to coat the hairs, never enough to pool or run into the eye.
It should go without saying that the oil is a conditioner, not a medicine. If your interest in lashes stems from noticeable lash loss, thinning, or any change in the eyelid or eye, that is a reason to see a GP or optometrist rather than to reach for a kitchen oil — sudden lash loss occasionally signals something worth checking.
Safety: Working Close to the Eye
Because the application area is millimetres from the eye's surface, the safety points here matter more than for almost any other use of olive oil, and they deserve their own section.
Patch-test first. Before going anywhere near your lashes, dab a little oil on the inside of your forearm and leave it for 24 hours to check for any redness or itching. Skin near the eye is delicate, and a reaction there is far more uncomfortable than one on the arm.
Use almost nothing. The most common problem is simply too much oil migrating onto the eye's surface, where it can blur vision, sting, and cause watering. A barely-coated brush avoids this; a loaded one invites it.
Keep it out of the eye. Apply to the lashes, not the waterline or the inner rim. If oil does get into your eye, it is generally not dangerous, but it can be uncomfortable and blur your sight for a while; rinse gently with clean water and let it settle.
Mind contact lenses and make-up. Oil and contact lenses do not mix well, so apply only to bare eyes and let any residue clear before inserting lenses. Remove eye make-up first, too, so you are not pressing mascara into the lash line.
Stop if it irritates. Any persistent redness, swelling, itching, or stinging is a signal to stop and, if it does not settle, to seek advice. People with sensitive eyes, blepharitis, styes, or a history of eye allergies should be especially cautious and check with a professional first.
If You Do Use It, Quality Still Matters
If, having read all of the above, you would still like to use olive oil as a lash and lash-line conditioner, the same logic applies as for any olive oil you would put near your skin: the fresher and less processed, the better. Refined oils labelled "pure", "classic", or "light" have been heat-treated and stripped of most of their polyphenols and character, leaving a neutral fat. A fresh, cold-pressed extra virgin oil keeps more of the antioxidant compounds and is the version worth choosing.
Look for the same markers you would use when buying olive oil for the kitchen — extra virgin grade, a recent harvest date, dark glass, and a named single origin. A small quantity lasts a very long time at the rate of a brush-tip per use, so there is no reason not to use a good one.
For a fuller walkthrough of judging quality, see our guide to choosing a quality olive oil.
Why Sidr & Stone
We make olive oil as a food first — pressed for flavour, aroma, and the compounds that careful handling preserves. We do not market it as a lash treatment, and this article has been clear about why no honest producer should. But if you want a fresh, minimally processed extra virgin oil for the kitchen, and you happen to use a little of it as a skin conditioner too, the qualities that make ours good to eat are the same ones that make it a sensible choice to keep near your face.
- Single-estate — one family-owned grove near Marrakech, Morocco; no blending across origins
- Rain-fed — no irrigation; the trees take what the season gives
- Organically grown — no synthetic fertilisers, pesticides, or herbicides
- Single harvest — small, limited batch; once the season's pressing is gone, it's gone until next year
- Cold-pressed within hours of harvest — flavour, aroma, and polyphenols preserved
- Unfiltered extra virgin — minimally processed, may show natural sediment
- 100% natural — single ingredient, no additives
- Dark glass with gold label — protective packaging against light
- Halal certified
- 10% of profits to charity (brand-wide commitment)
- Fulfilment in the UK, EU, and US
We will not tell you Sidr & Stone is the best olive oil — and we certainly will not tell you it grows lashes. What we will say is that our oil is single-estate Moroccan, rain-fed, organically grown, and cold-pressed within hours of harvest — and that the evidence of that care is in the taste, the colour, and the season's small limited batch.
Frequently Asked Questions
Does olive oil make eyelashes grow?
No. There is no published evidence that olive oil increases eyelash length or density. Lash growth is driven mainly by genetics, hormones, and the natural growth cycle. Olive oil can condition lashes so they look glossier, but that is not the same as growing them.
What does olive oil actually do for eyelashes?
It acts as an emollient, coating and softening the lash hairs and moisturising the surrounding skin. Conditioned lashes can look shinier and may break less, which can make them appear healthier without any change in actual growth.
How do you apply olive oil to eyelashes safely?
Use a clean spoolie brush or cotton bud with a barely-there amount of oil, stroke it lightly along the lashes from base to tip, and keep it off the eye's surface. Apply to clean, make-up-free lashes, ideally in the evening, and patch-test first.
Can olive oil get into my eye and harm it?
A small amount of olive oil in the eye is generally not dangerous, but it can sting, blur vision, and cause watering. Use the tiniest quantity, keep it off the waterline, and rinse gently with clean water if it gets in. Stop if you get persistent irritation.
Is olive oil better than commercial lash serums?
They do different things. Some commercial serums contain active ingredients studied for lash effects; olive oil is a simple conditioner with no growth evidence behind it. Olive oil's appeal is that it is natural and single-ingredient, not that it outperforms a serum.
Which olive oil should I use on my lashes?
If you use it at all, choose a fresh, cold-pressed extra virgin oil — the same quality you would buy for food. Refined "pure", "classic", or "light" oils have been stripped of most of their beneficial compounds. Look for extra virgin grade, a recent harvest, dark glass, and a named origin.
Should I see a professional about my lashes?
Yes, if you notice sudden or patchy lash loss, thinning, or any change to the eyelid or eye. These can occasionally signal an underlying issue, and a GP or optometrist is the right person to check rather than a kitchen oil.
Is olive oil a medicine?
No. Olive oil is a food, not a medicine. It has a long traditional history — including being honoured in the Prophetic Sunnah — and a substantial body of modern research, particularly around polyphenols, cardiovascular health, and the Mediterranean diet pattern. It can be a worthwhile part of a healthy routine, but it does not cure diseases and is not a substitute for medical care. Be cautious of any olive oil marketed with specific disease-cure claims.
Final Thoughts
Olive oil for eyelashes is a good example of a small, harmless beauty habit wrapped in a claim it cannot support. It will not grow your lashes — nothing in the evidence suggests it can — but as a simple, natural conditioner it can soften the lash hairs and the skin around them, leaving lashes looking a little glossier and breaking a little less. Taken for that, and used with real care so close to the eye, it is a modest and reasonable thing to try.
The honest framing is the useful one: a conditioner, not a treatment; cosmetic shine, not stimulated growth; and, above all, a tiny amount kept well clear of the eye itself. If lash loss is your real concern, that is a question for a professional rather than a cupboard remedy.
Our cold-pressed organic Marrakech olive oil is made as a food first — single-estate, rain-fed, unfiltered, and pressed within hours of a patient harvest — and is available now for pre-order, with fulfilment in the UK, EU, and US.
Pre-Order Sidr & Stone Organic Marrakech Olive Oil — Limited First Harvest →
This article describes general cosmetic conditioning uses of olive oil and the current state of the evidence at the time of writing; it makes no claim that olive oil grows eyelashes or treats any condition, and individual experiences vary. Take particular care when using any product near the eyes. Olive oil is a food, not a medicine, and is not a substitute for medical treatment of any condition. For any concern about your lashes, eyelids, or eyes, consult a qualified medical or eye-care professional.
