Coconut oil, listed in INCI as Cocos Nucifera Oil, consists of approximately half lauric acid and is almost entirely made up of saturated fatty acids. That is why it is solid at room temperature and becomes liquid on the skin, and it is also why it behaves very differently on the face than it does on the body.
On the body, it is a good emollient. On the face, especially on blemish-prone skin, it is one of the oils most likely to clog pores.
Article written by Elisa Avalle, founder of LeLang Skin Care and a dermocosmetics specialist. Cover image generated with the support of artificial intelligence.
The problem of comedogenicity, properly explained
In comedogenicity scales, coconut oil almost always ranks at the top. However, those scales are based on tests conducted decades ago on rabbit ears, a model much more reactive than human skin, and they assign a number to the pure ingredient, not to the finished formula. Coconut oil at 2% in a cream does not behave like pure coconut oil applied on its own.
That said, clinical experience points in the same direction as the numbers: on acne-prone skin, applying pure coconut oil to the face is frequently associated with the appearance of comedones. When it comes to acne-prone skin, the prudent choice is simply a different oil.
Where it works well instead
- On dry body skin. It is an effective occlusive emollient, and on the legs, elbows, and thickened areas, it does its job without practical drawbacks.
- As a massage oil. High slip and slow absorption, which in this case is an advantage.
- On the hair. This is the use supported by the strongest evidence: the structure of lauric acid allows it to penetrate the hair fiber and reduce protein loss during washing, which most oils do not do.
- On the lips and cuticles, where occlusion is exactly what is needed.
What the research says, and what it does not say
Lauric acid shows antibacterial activity in vitro, and this finding is often used to support the claim that coconut oil “cures” acne. The logical leap is obvious: what happens in a culture dish does not automatically translate to a pilosebaceous follicle, where the oil reaches it in a different form, in a different amount, and in a different environment. Studies exist on the topical use of coconut oil for moisturizing very dry skin, with favorable results, but they concern the skin barrier and comfort, not blemishes.
There is a real difference between virgin and refined oil: virgin oil retains phytosterols and phenolic compounds that the refining process removes, along with the odor. For home cosmetic use, virgin oil is the better choice; industrial formulas often use fractionated derivatives, which are something else entirely and appear on labels as Caprylic/Capric Triglyceride.
If you want to use it, here is how
- From the neck down, on skin that is still damp after showering, where it helps retain the water just absorbed.
- On the face only if your skin has never developed blemishes and is not oily, and in any case not every night.
- Never use it as a makeup remover and leave it on without rinsing thoroughly: the residue is precisely the critical issue.
- On dry body skin, it works best as a final occlusive layer over a cream, not instead of one.
Frequently asked questions
Does it cause breakouts in everyone?
No, and people with normal or dry skin can use it on the face without problems. The risk is concentrated among those who already have a tendency toward blemishes, which is precisely the group most often advised to use it as a natural remedy.
Is it suitable for removing makeup?
It dissolves makeup well, but it must then be removed completely with a cleanser. Cleansing oils contain emulsifiers that allow them to be rinsed off; pure coconut oil does not.
Is it useful for children’s skin?
For children’s skin, particularly in the presence of dermatitis, product choices should be made with a pediatrician or dermatologist: this is not an area for generic remedies.
Sources for this article
- Fatty acid profile of coconut oil and its lauric acid content.
- Origin and limitations of comedogenicity scales: animal models, assessment of the pure ingredient, and limited transferability to the finished formula.
- Studies on the penetration of coconut oil into the hair fiber and the reduction of protein loss.
- Clinical studies on the topical use of virgin coconut oil on very dry skin: effects on hydration and barrier function.
- In vitro data on the antibacterial activity of lauric acid and the limitations of extrapolating these findings to topical use.
The point is that coconut oil is neither a miracle nor a poison: it is a heavy emollient with a clear profile. Used where that profile is appropriate, it works well; used on the face of someone with blemishes, it creates a problem that then has to be addressed with other products.
