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Resources

Soybean oil

Soybean oil is obtained from Glycine soja by extraction or pressing; it is made essentially of triglycerides of oleic, linoleic and saturated acids1. CosIng classifies it as an emollient and a skin conditioning agent1. Cosmetic studies specific to this oil are rare: the data come mostly from reviews, an animal model and a CIR safety assessment of soy-derived ingredients234.

Pale yellow soybean oil in macro view, a clear drop on a sage green ceramic surface

Soybean oil at a glance

Entry from our cosmetic ingredient glossary. Regulatory data from the European Commission's CosIng database1. Copy the identifiers in one click for your files.

INCI name
GLYCINE SOJA OILUS INCI name: Glycine soja (soybean) oil1
Other names
Soybean oilSoybean oil; soya oil
CAS number
8001-22-7
EC number
232-274-4
Botanical origin
Soybean (Fabaceae)Oil obtained from the soybean Glycine soja by extraction or pressing1
Composition
Triglycerides of oleic, linoleic and saturated acidsCosIng description: it is made essentially of these1
CosIng functions
Emollient, skin conditioning, fragrance"Skin conditioning - emollient", "skin conditioning" and "perfuming"; no hair function is listed1
EU status
No restriction specific to the ingredientNot listed in Annexes II to VI of Regulation (EC) 1223/2009, consolidated May 1, 2025; only the general mention on ozone-depleting substances appears in CosIng17
Allergen to declare
NoNot listed in Annex III or in the fragrance allergen list of Regulation (EU) 2023/15457
Safety (CIR)
2025 report on 28 soy-derived ingredients24 judged safe in current uses; the 4 without a conclusion are callus cultures and a phytoplacenta medium, not the oil2

What the research says

Each result shows the protocol and the level of evidence. The higher the level, the better the result carries over to a finished formula.

Clinical trialReview or consensusLaboratory

Composition and materialChemistry

A triglyceride oil with a mixed profile

Review
CosIng description

CosIng describes an oil made essentially of triglycerides of oleic, linoleic and saturated acids1. This page gives no percentages: they depend on the batch and the refining, so read them on the supplier's specification.

Skin and bodySkincare, bodycare

Mouse skin barrier: an unfavorable effect

Laboratory
MiceBarrier damaged by adhesive tape strippingComparison of several oils

Mustard, olive and soybean oils all delayed barrier recovery, compared with control skin or skin treated with a reference ointment. Sunflower oil accelerated it3. The model covers an already damaged barrier.

The ratio of linoleic to oleic acid matters

Review
2018 reviewNatural oils and the barrier

An oil with a higher linoleic/oleic ratio has a better potential for the barrier; an excess of oleic acid can harm it5. Soybean is not among the oils this review details.

A review of 27 clinical studies on 17 oils, including soybean

Review
2022 review27 studies, 17 oils

On unaffected skin, an oil rich in oleic acid does not necessarily react badly; on weakened skin, an oil rich in oleic and low in linoleic acid can add damage to the stratum corneum. Frequency and duration of use also matter4. The authors give no conclusion specific to soybean in their abstract.

A review of skin applications of several oils

Review
2017 reviewIncluding soybean oil

The review brings together data on the skin application of nineteen vegetable oils and butters, including soybean6.

Safety assessmentsCIR

24 of 28 soy-derived ingredients judged safe

Review
CIR 202528 ingredientsFunded by the CIR

The ingredients assessed are mostly used as antioxidants, skin protectants and skin and hair conditioning agents. The panel concludes that 24 of them are safe in current uses and concentrations. The data are insufficient for four callus cultures and conditioned media2.

This page summarizes published literature on a cosmetic ingredient. It does not describe the effect of a finished product, which depends on its formula, and it is not medical advice. Several of the studies cited were run or funded by industry; this is indicated in the sources.

Which products use soybean oil?

Our white label catalog includes 2 formulas with soybean oil, always as a supporting ingredient. Every category can be customized (formula, fragrance, packaging).

2Body

Supporting oil in soaps, massage oils and body care.

In our formulas, it is most often paired with

Vitamin E 2Arnica extracts 1Horse chestnut 1

Soybean, pumpkin seed, sesame or mustard oil?

Four seed oils found in ingredient lists. Their composition and regulatory status differ.

Soybean oilPumpkin seed oilSesame oilMustard oil
CompositionTriglycerides of oleic, linoleic and saturated acids1Mostly unsaturated, linoleic acid first8Lignans (sesamin, sesamol), tocopherols, phytosterols9Yellow mustard oil: 42.8% erucic acid10
EU regulationNo specific restrictionNo specific restrictionNo specific restrictionAllyl isothiocyanate banned (Annex II)7
Carmel catalog formulas2 formulas2 formulas3 formulas1 formula

Frequently asked questions about soybean oil

What is soybean oil?
It is the oil obtained from soybean (Glycine soja) by extraction or pressing. It is made essentially of triglycerides of oleic, linoleic and saturated acids1. Its INCI name is GLYCINE SOJA OIL.
What are the benefits of soybean oil for skin?
CosIng classifies it as an emollient and a skin conditioning agent1. We found no controlled trial measuring its cosmetic effect alone. In mice, it delayed the recovery of a damaged barrier3: this is not an argument for or against its use in a formula, but a reason to test it on the finished product.
Is soybean oil comedogenic?
We retained no official or peer-reviewed source giving a comedogenicity rating for soybean oil, so this page gives no figure. The risk depends on the complete formula and is checked with tests on the finished product.
Is soybean oil good for hair?
CosIng gives it no hair function1 and we found no study on its effect on hair. In our formulas, it serves as a supporting oil in soaps and massage oils.
Is soybean oil safe?
No restriction applies to the ingredient in the EU17. The CIR judged 24 of the 28 soy-derived ingredients assessed in 2025 to be safe2. We retained no source on skin allergy to soy: if in doubt, a test on the finished product and a healthcare professional's advice remain the rule.
What is the difference between soybean oil and sunflower oil?
We do not compare numerical compositions for lack of a retained source. In the mouse model of a damaged barrier, sunflower accelerated recovery while soybean delayed it3.
Can you manufacture a soybean oil product for my brand?
Yes. Our ISO 22716 certified lab offers 2 formulas that contain it (soap, massage oil), which you can customize, or a custom formula. Samples are free.

Sources

Peer-reviewed studies and official regulatory sources, checked on November 3, 2026.

  1. European Commission. CosIng, entry GLYCINE SOJA OIL (CAS 8001-22-7, EC 232-274-4). CosIng 34121
  2. Cherian P, Bergfeld WF, Belsito DV, et al. Safety assessment of soy-derived ingredients as used in cosmetics. Int J Toxicol. 2025;44(1_suppl):64S-85S. doi:10.1177/10915818241231249
  3. Darmstadt GL, Mao-Qiang M, Chi E, et al. Impact of topical oils on the skin barrier: possible implications for neonatal health in developing countries. Acta Paediatr. 2002;91(5):546-554. doi:10.1080/080352502753711678
  4. Poljšak N, Kočevar Glavač N. Vegetable butters and oils as therapeutically and cosmetically active ingredients for dermal use: a review of clinical studies. Front Pharmacol. 2022;13:868461. doi:10.3389/fphar.2022.868461
  5. Vaughn AR, Clark AK, Sivamani RK, Shi VY. Natural oils for skin-barrier repair: ancient compounds now backed by modern science. Am J Clin Dermatol. 2018;19(1):103-117. doi:10.1007/s40257-017-0301-1
  6. Lin TK, Zhong L, Santiago JL. Anti-inflammatory and skin barrier repair effects of topical application of some plant oils. Int J Mol Sci. 2017;19(1):70. doi:10.3390/ijms19010070
  7. European Parliament and Council. Regulation (EC) No 1223/2009 on cosmetic products, consolidated version of May 1, 2025 (Annexes II to VI, Article 17). EUR-Lex. EUR-Lex 1223/2009
  8. Hu Z, Hu C, Li Y, et al. Pumpkin seed oil: a comprehensive review of extraction methods, nutritional constituents, and health benefits. J Sci Food Agric. 2024;104(2):572-582. doi:10.1002/jsfa.12952
  9. Oboulbiga EB, Douamba Z, Compaoré-Sérémé D, et al. Physicochemical, potential nutritional, antioxidant and health properties of sesame seed oil: a review. Front Nutr. 2023;10:1127926. doi:10.3389/fnut.2023.1127926
  10. Li C, Cai B, Li W, et al. Processing characteristics, typical components, and biological activities of yellow mustard seed oil. J Food Sci. 2026;91(7):e71237. doi:10.1111/1750-3841.71237
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