8-minute read
Oily Skin And Oils Seem An Unlikely Partnership
If your face already looks shiny, why add more?
The hesitation makes sense. Especially when social media presents oils as automatic trouble for anyone with breakouts.
Yet the opposite message can be equally misleading: your skin makes oil, therefore applying botanical oils must help it.
Neither explanation gives us enough information to choose a product.
The research supports a more useful position. Some oil-containing formulations may be suitable for oily skin. Others may be uncomfortable or contribute to problems. Acne treatment is a separate question.
To understand why, we need to unpack what we mean by oil, what cleansing actually removes, and what individual studies can establish.
What Are We Calling Oil?
In everyday skincare language, oil can mean surface shine, a bottle of botanical oil, or the oily ingredients in a moisturiser.
Those are different things.
Sebum is the mixture released by sebaceous glands. It includes triglycerides, wax esters and squalene, among other components. The barrier between the outermost skin cells has a different lipid organisation.
An experimental barrier-repair study illustrates why composition matters. Complete physiological lipid mixtures and an occlusive material acted through different mechanisms. Simply supplying something fatty was not a sufficient description of what happened. [1]
This is why I would avoid saying that a face oil replaces the skin’s natural oils. That language skips over considerable biological detail.
A botanical oil can be useful in a formulation without being a complete replica of the skin’s own lipids.
Does Oil Nourish Skin Cells?
Fatty acids have important biological roles. However, a role in metabolism does not establish that applying any botanical oil will increase energy production or improve cell turnover.
The ingredient, its chemical form, the formulation and delivery all matter. A plausible mechanism gives us a research question. It does not provide a finished product claim.
For consumer copy, descriptions such as softening skin or helping reduce moisture loss are more useful when supported by the product’s performance.
Claims about feeding cells or accelerating renewal need their own evidence. They cannot be inferred from an oil’s natural origin.
Oily Skin Can Still Have Barrier Difficulties
Surface oiliness and barrier function are different measurements.
A 1995 study compared 36 people with acne and 29 controls. The acne group had differences in barrier-related sphingolipids and impaired water-barrier function. It did not establish that everyone with oily skin is dehydrated. [6]
A larger 2024 cross-sectional study also found greater water loss in acne-affected skin. Interestingly, measured hydration was higher too. This reminds us that hydration readings, water loss and sebum do not describe the same property. [10]
The practical implication is to assess the whole skin picture. Shine alone cannot tell us whether someone needs less moisturising care.
Equally, we should not diagnose a damaged barrier from oiliness alone.
Do All Botanical Oils Behave Similarly?
No. One small study provides a useful caution against that assumption.
Danby and colleagues studied 19 adults in two forearm-controlled experiments. Repeated olive oil application reduced barrier integrity and caused mild redness. Sunflower seed oil preserved integrity and improved hydration. [2]
These were forearm studies, including participants with a history of atopic dermatitis. They were not facial acne trials.
The findings cannot establish that sunflower oil treats acne, or that every finished product containing olive oil will cause harm.
They do show why natural origin is not enough to predict suitability. The complete formula and the conditions of use still need consideration.
Does Cleansing Make The Glands Compensate?
This explanation has circulated for decades: remove surface oil and the glands respond by producing extra.
I would now use considerably more caution with it.
In one study of 22 women, measured surface sebum returned to baseline around two hours after washing. That showed recovery of a surface measurement, not proof of accelerated gland synthesis. [3]
Another small study compared two cleansers in 21 volunteers. Its authors described reactive seborrhoea after a break from the comparator cleanser. However, the formulas differed in several ways, and surface sebum measurements cannot isolate a universal feedback mechanism. [4]
The honest conclusion is that these results do not justify either an absolute compensation claim or an absolute claim that cleansing can never affect sebum biology.
We do not need that argument to recommend comfortable, gentle cleansing. Avoiding irritation remains a sensible goal on its own.
What About Washing And The Microbiome?
Cleansing is not automatically harmful. How a product interacts with skin matters.
In a crossover trial, cleansers with the same detergents but different pH values changed skin-surface pH and propionibacterial counts. That supports taking cleanser formulation seriously. [7]
It does not prove that every cleanser disrupts the entire microbiome. Nor does it establish that applying botanical oil restores microbial balance.
A separate acne trial compared washing once, twice or four times daily with a mild cleanser. It found no significant differences between groups, although some within-group results favoured twice-daily washing. [5]
This is a useful brake on dramatic claims about either washing more or washing less.
For everyday care, avoid scrubbing and routines that repeatedly leave skin sore or irritated. Gentle cleansing can remove unwanted residue without making total degreasing the objective.
Do Comedogenicity Charts Settle The Question?
Online charts often assign ingredients a pore-clogging score. These can look more decisive than the evidence allows.
A small human study tested finished products rather than predicting their behaviour from individual ingredients. It found that products containing ingredients previously considered comedogenic were not necessarily comedogenic themselves. [11]
Only six people participated, and testing was on the upper back. This was not a guarantee of facial tolerance.
Still, it demonstrates an important limitation: an ingredient list cannot provide an infallible forecast of the finished product.
A product’s concentration, formulation and use deserve attention. So does the person’s actual response.
Can Oils Treat Acne?
Some research is interesting, but it should not be stretched into a general treatment claim.
A controlled 1998 study found smaller microcomedones after topical linoleic acid. This investigated a particular fatty acid preparation and a specific outcome. It did not establish that linoleic-rich botanical oils clear inflammatory acne. [12]
A later observational study reported improvement with a clay and jojoba oil mask. There was no control group, and the combination could not reveal jojoba oil’s independent contribution. [13]
Current acne guidance supports established treatment options. The 2024 American Academy of Dermatology guideline includes a conditional recommendation for azelaic acid. A 2026 European update addresses treatment choices including newer topical and hormonal options. [8,9]
Those guidelines do not establish botanical oils as substitutes for evidence-based acne treatment.
Skincare can support comfort alongside treatment. Persistent, painful or scarring acne deserves assessment by a qualified health professional.
Is A Balm Unsuitable For Redness Prone Skin?
The word balm does not answer that question.
An anhydrous balm has no intentionally added water phase. An emulsion combines phases, usually including water and oils. Neither label tells us everything about irritation, congestion, texture or active delivery.
A person may prefer an emulsion because it feels lighter. That is a legitimate preference. It does not require a scientific defence.
Equally, a balm should not be rejected solely because it contains oils. Its suitability needs assessment at the level of the complete product.
Redness also has several possible explanations. Acne, rosacea, irritation and allergy are not interchangeable conditions. Oily skin does not identify the cause.
For a developing Azelaic Acid Balm, the distinction is especially important. Evidence from studied azelaic acid treatments does not automatically transfer to a new formula. Dispersion, release, stability and tolerability all require attention.
Early reports of less visible redness can guide further investigation. They cannot establish which ingredient helped, exclude other explanations, or predict everyone’s response.
How To Make A More Useful Choice
Start with the concern you actually want to address. Is it uncomfortable tightness, unwanted shine, recurring blocked pores or persistent redness?
Choose a product with a clear purpose and instructions. Consider evidence for the finished formulation where available.
Introduce one new product at a time. Follow its directions and assess comfort, appearance and any new congestion over time.
A small-area trial may reveal irritation. It cannot guarantee that a product will never trigger allergy or breakouts.
Stop using a product that causes persistent burning, worsening redness or a clear increase in breakouts. Seek advice when symptoms persist or the diagnosis is unclear.
Manage Expectations
A moisturiser does not have to reduce sebum production to be useful. Softer, more comfortable skin can be a worthwhile outcome.
Likewise, a product feeling rich does not prove it is pore-clogging. A product feeling light does not prove it is suitable.
We need enough time and appropriate observation to assess what the product actually does. One enthusiastic report cannot replace that process.
The Answer I Would Give Now
Avoiding every oil-containing product is an unnecessarily broad rule. Recommending oils to everyone with oily or acne-prone skin would be equally broad.
The better question is whether this particular formulation suits this particular person and concern.
Different horses, different courses. Preferably with evidence doing some of the steering.
Research Notes & References
N.B. I have left my summary notes on the articles as it helps to understand why these were selected.
1. Mao-Qiang M, Brown BE, Wu-Pong S, Feingold KR, Elias PM. Exogenous nonphysiologic vs physiologic lipids. Divergent mechanisms for correction of permeability barrier dysfunction. Archives of Dermatology. 1995;131:809–816.
PubMed: https://pubmed.ncbi.nlm.nih.gov/7611797/
Experimental barrier work distinguished an occlusive material from physiologic lipid mixtures and their processing. It supports formulation-specific mechanisms, not a universal benefit from botanical oils. Do not interpret the historical equimolar finding as a universal ideal ratio for every modern moisturiser. The abstract does not provide enough species and protocol detail for clinical extrapolation.
2. Danby SG et al. Effect of olive and sunflower seed oil on the adult skin barrier: implications for neonatal skin care. Pediatric Dermatology. 2013;30:42–50. DOI 10.1111/j.1525-1470.2012.01865.x.
PubMed: https://pubmed.ncbi.nlm.nih.gov/22995032/
Nineteen adults in two randomised, forearm-controlled mechanistic studies. Olive oil reduced integrity and induced mild erythema; sunflower oil preserved integrity and improved hydration. Small sample, different cohorts and non-facial application limit extrapolation. It does not rank finished acne products or establish an acne treatment.
3. Eo J et al. Facial skin physiology recovery kinetics during 180 min post-washing with a cleanser. Skin Research and Technology. 2016;22:148–151. DOI 10.1111/srt.12241.
PubMed: https://pubmed.ncbi.nlm.nih.gov/26100540/
Twenty-two women; surface sebum returned to baseline at approximately 120 minutes. This is a recovery study, not direct measurement of glandular synthesis or proof of compensatory hypersecretion. It also does not prove that repeated irritating washing has no biological effects.
4. Weber N et al. Effect of a botanical cleansing lotion on skin sebum and erythema of the face: A randomized controlled blinded half-side comparison. Journal of Cosmetic Dermatology. 2019;18:821–826. DOI 10.1111/jocd.12680.
PubMed: https://pubmed.ncbi.nlm.nih.gov/30022595/
Twenty-one volunteers; 15 days of use followed by a 48-hour break. Authors described reactive seborrhoea for the SLES comparator. Formulas differed in extracts and surfactant systems. Surface measurements and this design do not isolate synthesis or prove that SLES universally causes rebound oil. This is relevant conflicting evidence, not grounds to dismiss the possibility entirely.
5. Choi JM, Lew VK, Kimball AB. A single-blinded, randomized, controlled clinical trial evaluating the effect of face washing on acne vulgaris. Pediatric Dermatology. 2006;23:421–427. DOI 10.1111/j.1525-1470.2006.00276.x.
PubMed: https://pubmed.ncbi.nlm.nih.gov/17014635/
Male participants used a mild cleanser once, twice or four times daily after a run-in. No significant between-group differences were found. Within-group changes offered limited support for twice-daily washing. Do not use these results to claim that more washing necessarily worsens acne. The abstract does not supply sample size; no number is inferred here.
6. Yamamoto A, Takenouchi K, Ito M. Impaired water barrier function in acne vulgaris. Archives of Dermatological Research. 1995;287:214–218. DOI 10.1007/BF01262335.
PubMed: https://pubmed.ncbi.nlm.nih.gov/7763094/
Comparative study: 36 acne patients and 29 controls. Reduced sphingolipids were associated with impaired water-barrier function. Association cannot establish whether barrier change caused acne or followed it. This does not show that all oily skin is dehydrated or that applying a botanical oil corrects the abnormalities.
7. Korting HC, Hübner K, Greiner K, Hamm G, Braun-Falco O. Differences in the skin surface pH and bacterial microflora due to the long-term application of synthetic detergent preparations of pH 5.5 and pH 7.0. Results of a crossover trial in healthy volunteers. Acta Dermato-Venereologica. 1990;70:429–431.
PubMed: https://pubmed.ncbi.nlm.nih.gov/1980979/
Randomised crossover study using identical detergents at different pH values. Higher-pH use increased surface pH and propionibacterial counts. This is useful human evidence for cleanser-pH effects, but bacterial counts are not comprehensive modern microbiome profiling. It does not establish an oil’s capacity to restore microbial balance.
8. Reynolds RV et al. Guidelines of care for the management of acne vulgaris. Journal of the American Academy of Dermatology. 2024;90:1006.e1–1006.e30. DOI 10.1016/j.jaad.2023.12.017.
PubMed: https://pubmed.ncbi.nlm.nih.gov/38300170/
Guideline using systematic review and GRADE. Strong recommendations include benzoyl peroxide and topical retinoids; azelaic acid is conditional. This establishes a treatment-evidence context, not proof for a specific cosmetic prototype. An ingredient’s evidence cannot establish equivalent release, efficacy or tolerability in a newly developed balm.
9. Update of the EuroGuiDerm evidence-based guideline for the treatment of acne—Short version. Journal of the European Academy of Dermatology and Venereology. 2026;40:1162–1172. DOI 10.1111/jdv.70331.
PubMed: https://pubmed.ncbi.nlm.nih.gov/41847993/
A 2026 targeted update covering selected systemic, hormonal and newer topical treatment questions. Other aspects remain unchanged from 2016. The retrieved abstract establishes the scope and currency of the update; it is not used here to infer detailed recommendations that require the full guideline. No oil-treatment endorsement is inferred.
10. Sukanjanapong S, Ploydaeng M, Wattanakrai P. Skin Barrier Parameters in Acne Vulgaris versus Normal Controls: A Cross-Sectional Analytic Study. Clinical, Cosmetic and Investigational Dermatology. 2024;17:2427–2436. DOI 10.2147/CCID.S476004.
Full-text record: https://pmc.ncbi.nlm.nih.gov/articles/PMC11537166/
A cohort of 316 volunteers included 164 acne patients and 152 controls. Acne was associated with higher water loss, sebum and measured hydration. Groups differed in age; adjustment was reported. Cross-sectional comparisons cannot establish chronology or prove that medication caused the differences. Notably, these data argue against describing all acne-affected skin as dehydrated.
11. Draelos ZD, DiNardo JC. A re-evaluation of the comedogenicity concept. Journal of the American Academy of Dermatology. 2006;54:507–512. DOI 10.1016/j.jaad.2005.11.1058.
PubMed: https://pubmed.ncbi.nlm.nih.gov/16488305/
Six comedone-prone individuals received finished-product patches on the upper back for four weeks. Products containing ingredients labelled comedogenic were not necessarily comedogenic. Small sample, occlusion and body site limit prediction of normal facial use. This challenges simplistic ingredient scoring; it does not make all oils or rich formulas safe for every acne-prone person.
12. Letawe C, Boone M, Piérard GE. Digital image analysis of the effect of topically applied linoleic acid on acne microcomedones. Clinical and Experimental Dermatology. 1998;23:56–58. DOI 10.1046/j.1365-2230.1998.00315.x.
PubMed: https://pubmed.ncbi.nlm.nih.gov/9692305/
Double-blind, placebo-controlled, randomised crossover study. Topical linoleic acid reduced microcomedone size by almost 25% over one month. This is a surrogate endpoint and a specific fatty acid intervention. It is not equivalent to a 25% reduction in clinical acne or proof for any linoleic-rich oil. Sample size and preparation details need full-text checking.
13. Meier L, Stange R, Michalsen A, Uehleke B. Clay jojoba oil facial mask for lesioned skin and mild acne—results of a prospective, observational pilot study. Forschende Komplementärmedizin. 2012;19:75–79. DOI 10.1159/000338076.
PubMed: https://pubmed.ncbi.nlm.nih.gov/22585103/
An uncontrolled, open observational study. Of 194 participants returning questionnaires, 133 supplied complete lesion counts; these showed a mean 54% reduction after six weeks. Self-report, incomplete outcome data, no control and a combination mask prevent attribution to jojoba or estimation of its independent efficacy. The percentage is retained for interrogation, not recommended as a marketing hook.
