Olive Oil Has Five Things Your Skincare Products Do Not

People have been rubbing olive oil on their skin for thousands of years. Ancient Egyptians used it as a cleanser. Greek athletes applied it before competition. For most of modern history it was dismissed as a folk remedy with no real science behind it.

That has changed. Researchers now know that olive oil contains natural compounds that affect how skin cells behave. Some polyphenols may help promote skin renewal, others may help protect against UV damage, and some may support the cells responsible for collagen production. In July 2025, a randomized clinical trial found that topical olive oil increased skin hydration and reduced redness in human participants, with the changes measured using clinical instruments.

This post covers what those studies actually found, why the quality of the olive oil matters more than most people realize, and what the research does and does not say about putting it on your face and body.

Five Things Olive Oil Does That Your Skincare Products Cannot •  It increases skin hydration and speeds up skin renewal — confirmed in a 2025 clinical trial on real people •  It protects the cells in your skin that produce collagen from the damage that slows them down with age •  It blocks the enzymes that break collagen down faster than your skin can rebuild it •  It reduces the damage that UV light causes inside skin cells — after the light has already penetrated •  It fights glycation, the sugar-driven process that silently stiffens collagen even in people who avoid the sun

A Clinical Trial Tested Olive Oil on Real People. Here Is What Happened.

For a long time, evidence for olive oil on skin came mostly from lab dishes and animal studies. In July 2025, a randomized clinical trial published in the Journal of Clinical Medicine tested it on real people.

Researchers took 54 healthy adults and applied extra virgin olive oil to one area of each person's forearm and petroleum jelly to another area on the same arm. They then measured the results using clinical instruments. That July 2025 trial found that olive oil significantly increased skin hydration and reduced both skin temperature and redness. It also appeared to accelerate skin renewal. Researchers refer to this as epidermal turnover, which simply means that old skin cells are replaced more quickly.

Petroleum jelly did one thing better: it reduced the amount of water escaping through the skin surface. That makes sense because it is a thick physical barrier that locks moisture in. Olive oil does not work that way. What it did instead was prompt skin to actively repair and renew itself, something petroleum jelly cannot do. One product seals the surface. The other changes what happens underneath it.

The Collagen Connection: What Scientists Found Inside Skin Cells

Collagen is the protein that keeps skin firm and smooth. Your body makes it using specialized cells called fibroblasts. As you get older, those cells slow down, collagen production drops, and skin thins and loses its bounce. Anything that keeps those cells working well is effectively slowing down that process.

A 2023 study in the journal Nutrients exposed human fibroblast cells directly to three natural compounds found in extra virgin olive oil: hydroxytyrosol, tyrosol, and oleocanthal. That Nutrients study found that all three compounds made the cells multiply faster (more collagen-making capacity) and move more efficiently toward areas of damage (better repair). Both effects are exactly what you want from a skin-supportive ingredient.

Hydroxytyrosol is the most powerful antioxidant in olive oil. Think of antioxidants as bodyguards for your cells: they intercept damaging molecules called free radicals before they can cause lasting harm. The hydroxytyrosol post covers the full picture. For skin, what matters is that hydroxytyrosol protects fibroblasts from the kind of oxidative damage that causes them to slow down and stop working properly as you age.

Oleocanthal tackles a different problem. Chronic low-grade inflammation in the skin switches on enzymes that chew through existing collagen faster than fibroblasts can rebuild it. Oleocanthal blocks those same enzymes. It works through the same pathway as ibuprofen, which is why quality olive oil produces a mild sting at the back of your throat. That sensation is oleocanthal doing exactly what it does in your skin.

The oleocanthal post explains that mechanism in full. The short version: the compound that gives good olive oil its throat sting is the same one that protects your collagen.

What Happens to Your Skin Cells When UV Light Hits Them (And How Olive Oil Responds)

Sun exposure is the largest external contributor to skin aging. When UV radiation reaches the skin, it can damage the DNA in skin cells, trigger inflammation, and activate enzymes that break down collagen and elastin. Over time, this damage can lead to wrinkles, uneven skin tone, and reduced firmness. Doctors refer to this process as photoaging, meaning skin aging caused by cumulative sun exposure rather than the passage of time alone.

A 2025 study examined what hydroxytyrosol, one of olive oil's key natural compounds, does when skin cells are hit with UV radiation. That 2025 PMC study found that hydroxytyrosol blocked the damaging chain reaction that UV light normally triggers inside cells, reduced the internal stress that follows sun exposure, and protected skin cells from DNA damage. Cells treated with hydroxytyrosol were significantly more resistant to UV injury than untreated cells.

This is not the same as sunscreen. Sunscreen blocks UV rays before they reach your skin. The compounds in olive oil act inside the cell after light has already penetrated, reducing the chain of damage that follows. One stops the rays. The other limits what the rays do once they get through.

The Hidden Reason Skin Ages Faster Than It Should (And What Olive Oil Does About It)

Most people are familiar with wrinkles and sun damage, but fewer know about another process that can age the skin from within. It is called glycation. This occurs when sugar molecules in the blood bind to proteins such as collagen and gradually damage them. The resulting compounds are known as advanced glycation end products, or AGEs. When collagen is affected by glycation, it becomes stiffer and less flexible, which can contribute to the loss of skin elasticity and bounce over time, even in people who limit their sun exposure.

A 2025 study tested whether hydroxytyrosol could slow this process. That glycation study found that hydroxytyrosol improved skin moisture, thickened both the outer and deeper layers of skin, and raised the activity of the body's own protective enzymes in skin tissue. The researchers concluded that hydroxytyrosol reduces collagen breakdown caused by glycation by reducing the internal damage that drives it.

Most moisturizers only work on the surface. They do not slow glycation, protect collagen from enzymes, or support the cells that make collagen. The natural compounds in olive oil work at those deeper levels, which is why the research on them looks different from typical skincare ingredient studies.

The oleuropein post covers another natural compound in olive oil, oleuropein, which works in similar protective ways. These compounds tend to reinforce each other when they are present together in whole olive oil, in ways that isolated ingredients typically cannot match.

You Can Also Eat Your Way to Better Skin. Here Is the Biology.

Most discussions about olive oil and skin focus on applying it directly to the skin, but consuming it regularly may matter as well. When olive oil is part of your daily diet, its natural compounds are absorbed into the bloodstream and can reach tissues throughout the body. This means the skin may benefit from olive oil’s compounds even when nothing is applied topically.

You cannot moisturize your way out of chronic inflammation. That kind of damage builds from inside the body, and diet reaches it in a way that skincare products cannot. The polyphenols post explains how these compounds work as antioxidants throughout the body and why the effect accumulates over time rather than showing up overnight.

A 2022 systematic review in Food and Function examined 21 studies on the effects of olive compounds on skin. That Food and Function review found consistent protective effects across wound healing, skin barrier function, and reduction of UV-related damage. The pattern held across multiple study types, not just one or two.

The amounts that show effects in long-term population studies are achievable through normal daily cooking and finishing use. The how much olive oil per day post covers the dosing data in detail.

Why the Type of Olive Oil You Use Changes Everything

Not all olive oil contains these natural compounds in meaningful amounts. This is the part most people miss, because nothing on the label tells you what you actually need to know.

The natural compounds this post has covered, hydroxytyrosol, oleocanthal, and oleuropein, come from the olive itself. They are not added after pressing. And they start degrading the moment the olives are harvested. The longer the gap between harvest and the press, the less survives. An oil pressed two or three days after harvest can end up with a fraction of the compound content of one pressed the same day.

The speed at which olives are processed is one of the most important factors affecting oil quality, yet many commercial producers do not process them quickly enough to maximize the preservation of their beneficial compounds. Why Olive Oil Pressed Within Hours Is Superior walks through why the timeline matters so much.

Light and heat continue to break down those compounds after pressing. An oil sitting in a clear glass bottle on a sunny counter loses them much faster than oil stored in dark glass away from heat.

Many oils sold in US grocery stores fail the legal standard for extra virgin olive oil when independently tested. The grocery store olive oil post covers those findings. The problem is not always a dishonest label. The issue is that the oil may have already degraded by the time it reaches the shelf.

The olive variety also matters. Some olives naturally contain much higher levels of the compounds that matter. Ayvalik, a traditional Turkish variety, is one of those high-phenol cultivars. The right variety, pressed fast, stored properly: that combination is what produces oil with the compound profile that the research actually tested.

Is Organic Olive Oil Worth It When You Are Putting It on Your Skin?

When you consume olive oil, any pesticide residues present in non-organic oil pass through your digestive system and are processed by the body. When olive oil is applied directly to the skin, those residues come into contact with the skin barrier without the same digestive processing. This makes the use of organic olive oil particularly relevant when applying it topically.

USDA Organic certification means the olives were grown without most synthetic pesticides and herbicides. When using olive oil directly on your face or body, this distinction may matter because the skin can come into contact with agricultural residues without the digestive processing that occurs when you consume them. Organic certification does not guarantee freshness or a high concentration of naturally occurring compounds, but it can help reduce concerns about certain agricultural residues when the oil is used topically.

The USDA organic certification post explains what the certification does and does not cover. For skin, what you want is organic certification plus a fast press plus dark glass storage. Each one protects something different. None of them alone is enough.

Why Four Hour Olive Oil Is Built for These Benefits 1) 4-hour press: olives go from harvest to mill in under 4 hours, preserving peak polyphenol content 2) Ayvalik variety: a Turkish high-phenol cultivar known for exceptional hydroxytyrosol and oleocanthal levels 3) USDA Organic certified: grown without synthetic pesticides, so the oil on your skin carries no residues 4) Italian dark glass bottle: blocks UV light that degrades natural compounds between the mill and your kitchen 5) Direct supply chain: no extended distribution delays that accelerate oxidation Shop Ultra Premium EVOO   |   Shop Premium EVOO   |   Shop the Duo

Frequently Asked Questions

Is it safe to put olive oil on your face?

For most people, yes. The 2025 clinical trial applied extra virgin olive oil directly to the skin and reported no adverse effects. Some people with acne-prone skin find that olive oil can clog pores; its primary fat, oleic acid, scores moderately high on the scale that measures how likely an ingredient is to block pores. If your skin tends to break out, try it on a small patch first before applying to the whole face.

Does olive oil actually moisturize skin?

Yes. The 2025 clinical trial directly measured skin hydration and found that olive oil produced a significant increase. It also reduced redness. However, olive oil was less effective than petroleum jelly at sealing in moisture. Petroleum jelly forms a thick physical barrier that helps reduce water loss from the skin, while olive oil does not provide the same level of occlusion. Instead, olive oil may support skin renewal and interact with skin cells in ways that petroleum jelly does not.

Can olive oil reduce wrinkles?

Not in the short term. Research suggests that compounds in olive oil may help protect collagen-producing cells, inhibit enzymes that break down collagen, and defend the skin against UV damage and glycation, both of which contribute to skin aging over time. The potential benefit is preventive and cumulative, rather than a quick fix that produces immediate visible results.

Is organic olive oil better for your skin?

Yes, for topical use specifically. When you apply oil directly to skin, any pesticide residues absorb straight through without the digestive filtering that happens when you eat something. USDA Organic means no synthetic pesticides were used on the olives. It does not guarantee freshness or natural compound content, but for skin use, it removes a real concern.

What is the difference between putting olive oil on your skin and eating it?

Both approaches deliver olive oil’s natural compounds to the skin, but through different pathways. When applied topically, these compounds interact directly with cells in the outer layers of the skin. When consumed regularly, they are absorbed into the bloodstream and can reach skin tissue from within, where they may support collagen-producing cells and help reduce systemic inflammation associated with skin aging. Research suggests that both approaches can have effects, but they serve different purposes and should not be viewed as interchangeable.

Does all olive oil have the same effect on skin?

No. The effects depend on the presence of hydroxytyrosol, oleocanthal, and oleuropein at meaningful concentrations. These compounds are present in high amounts only in genuinely high-quality extra virgin olive oil, pressed quickly from high-phenol olive varieties. Refined olive oil contains very little of these compounds. The EVOO label alone does not tell you which type you have.

Can eating olive oil improve my skin from the inside?

Yes. The natural compounds in olive oil absorb into your bloodstream and reach skin tissue, where they reduce inflammation and internal damage that accelerates aging. A 2022 systematic review of 21 studies found consistent protective effects across wound healing, barrier function, and UV-related damage. The effect builds over time — it is not immediate.

How Can You Tell if Olive Oil Contains Enough Polyphenols to Benefit Your Skin?

The most reliable signals are pressing speed, olive variety, and storage conditions. Producers who state how quickly they press after harvest are providing the most important piece of information. High-phenol cultivars like Ayvalik, pressed within hours and stored in dark glass, produce oil with the compound profile that research documents. Labels that say nothing about pressing speed give you very little to go on.

Does olive oil help with dry skin?

Yes. The 2025 clinical trial found a significant increase in skin hydration. Olive oil is also naturally rich in fatty acids and squalene, a substance that is naturally produced by human skin. These compounds can help support the skin barrier and reduce water loss. Olive oil has also been studied in people with severe skin dryness associated with medical conditions, with positive results for reducing itching and improving skin texture.

Is extra virgin olive oil better for skin than regular olive oil?

Yes, significantly. Regular olive oil, sometimes called refined or pure olive oil, is processed using heat and chemical solvents that strip out almost all of the natural compounds. What is left is mostly fat with very little of what makes olive oil useful for skin. Extra virgin olive oil retains the natural compounds that the clinical and lab research is built around. The grocery store olive oil post covers why even oils labeled extra virgin in stores do not always deliver what the label implies.

Can olive oil cause skin breakouts?

It can for some people. The main fat in olive oil scores moderately high on the scale that measures how likely an ingredient is to clog pores. People with oily or acne-prone skin are most at risk. People with dry or mature skin tend to do fine with it. A patch test before applying it all over is always a sensible first step.

How much olive oil should I use on skin?

A small amount is usually enough. For the face, apply a few drops warmed between your palms, then gently press them into the skin. For the body after a shower, about a tablespoon is enough to cover the arms and legs. Using more does not necessarily provide greater benefits. The goal is to apply a thin layer that absorbs into the skin rather than leaving a heavy layer on the surface.

Does Cooking Olive Oil Reduce Its Benefits for Skin?

When olive oil is used for cooking, some of its natural compounds can degrade with heat, although a meaningful amount may remain after moderate cooking. Using it raw as a finishing oil or in salad dressings helps preserve more of these compounds. For topical use, heat is not a concern because the oil is applied directly to the skin without being heated.

References

[1] Rubio-Santoyo M, et al. Effects of Extra Virgin Olive Oil and Petrolatum on Skin Barrier Function and Microtopography. Journal of Clinical Medicine. 2025;14(13):4675. PMC: PMC12251406. View study [2] Gracia-Cazana T, et al. The Benefits of Olive Oil for Skin Health: Study on the Effect of Hydroxytyrosol, Tyrosol, and Oleocanthal on Human Fibroblasts. Nutrients. 2023;15(9):2077. PMC: PMC10181161. View study [3] Li X, et al. Hydroxytyrosol Improves UV-Induced Skin Photoaging via PI3K-AKT/MAPK/JAK-STAT and NF-kB Pathways: Insights From Keratinocytes and In Vivo Validation. PMC. 2025. PMC: PMC13436068. View study [4] Chen Y, et al. Improvement Effect and Mechanism of Hydroxytyrosol on Skin Aging Induced Advanced Glycation End Products. PMC. 2025. PMC: PMC12430433. View study [5] Melguizo-Rodriguez L, et al. Biological effects of the olive tree and its derivatives on the skin. Food and Function. 2022;13:11410-11424. DOI: 10.1039/D2FO01945K. View study

The information in this article is based on peer-reviewed research and is provided for educational purposes only. It is not intended as medical advice. Please consult a qualified healthcare professional before making changes to your diet or supplement regimen.