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Mineral Oil

Also known as: Paraffinum liquidum, Liquid paraffin

A refined hydrocarbon emollient; cosmetic purity, industrial exposure and oral laxative use must be kept separate.

Oil painting of a colorless oil bottle and glass droplet
Editorial illustration

Cosmetic mineral oil is a refined hydrocarbon mixture used as an emollient and protective oily layer. Purity matters: evidence about unrefined industrial oils should not be copied to highly refined cosmetic material. U.S. OTC skin-protectant rules include specific mineral-oil conditions, but those rules do not make every mineral-oil lotion a drug.1, 2

  • A mixture of predominantly saturated hydrocarbons.1
  • Cosmetic purity and control of aromatic impurities are central to the review.1
  • M016 lists 50–100% mineral oil for specified skin-protectant uses, with a separate oatmeal combination provision.2

What is Mineral Oil?

Mineral oil is a mixture rather than one molecule, and grades differ. Its cosmetic value is in material properties such as spread and surface protection, not nutritional essential-fatty-acid supply. Refining history and specifications are more informative than the broad petroleum-derived label.1

Where it comes from

Natural sources

  • Petroleum-derived feedstock, extensively refined for the intended grade

How it's made

Refining and purification define cosmetic or pharmaceutical quality; industrial oils are not interchangeable.

What it does in products

  • Emollient
  • Oily protective layer
  • Vehicle in some skin-protectant formulas

Benefits

Surface protection and emollience

moderate evidence

Refined mineral oil has a longstanding role in skin and lip care; qualifying OTC products can make the specified temporary skin-protection claims.1, 2

The dermatology review emphasizes refined grades and purity, and discusses European safety context. FDA's monograph defines conditions for drug labeling rather than comparative proof that every lotion is superior.

Evidence scope and limitations

Refined topical cosmetic mineral oil and U.S. M016 skin-protectant conditions; excludes laxative and occupational exposure.

  • The 2019 review is not a systematic comparison of every moisturizer and includes an industry-related perspective.
  • No purity measurement or guarantee is made for an individual product.

Evidence last checked: 2026-10-01

Side effects & safety

Product intolerance or unwanted oily feel (varies)A favorable refined-oil safety history does not establish that every finished formula suits every skin type.

Safety considerations

  • Do not transfer topical cosmetic conclusions to oral laxative use, inhalation or occupational industrial-oil exposure.
  • Not for: Use only material formulated for the intended cosmetic or medicinal route.
  • Not for: An unknown industrial grade is not an appropriate skin-care substitute.
1, 2

Amounts studied & product use

These figures describe research or common product use, not a personal dose or treatment recommendation.

In skincare studies and products

M016 lists 50–100% mineral oil and 30–35% in a specified colloidal-oatmeal combination for OTC skin-protectant products. These are regulatory conditions, not the optimum percentage for every cosmetic lotion or an oral dose.

2

Regulatory status

  • Mineral oil can be a cosmetic emollient or an OTC skin-protectant active when the product meets M016's formulation and labeling conditions.
  • INCI name on cosmetic labels: Mineral Oil (Paraffinum Liquidum).
2, 3

Grade is the key distinction

The 2019 review distinguishes highly refined cosmetic materials from exposure to less-refined oils with different impurity profiles. The presence or absence of potentially problematic fractions is a product-quality question, not something a consumer can determine from colorless appearance.

The review also has an industry-related perspective and should not be treated as independent testing of a particular bottle. It supports a grade distinction, not an absolute allergy-proof or zero-risk promise.

1

Frequently asked questions

Is cosmetic mineral oil the same as industrial oil?

No equivalence should be assumed. Refining and purity specifications are central to the cosmetic safety discussion.1

Does it provide essential fatty acids?

Mineral oil is a hydrocarbon mixture, not a dietary plant oil supplying essential fatty acids. Its topical role is material protection and emollience.1

The bottom line

Evaluate refined grade and intended route. Neither a petroleum scare claim nor a blanket purity guarantee can replace product-specific information.

References

  1. Chuberre B, Araviiskaia E, Bieber T et al.. Mineral oils and waxes in cosmetics: an overview mainly based on the current European regulations and the safety profile of these compounds. Journal of the European Academy of Dermatology and Venereology (2019) · other · PMID 31588613; DOI 10.1111/jdv.15946
  2. OTC Monograph M016: Skin Protectant Drug Products for OTC Human Use. U.S. Food and Drug Administration (2021) · government guidance · M016.10(a), (l)
  3. FDA Authority Over Cosmetics: How Cosmetics Are Not FDA-Approved, but Are FDA-Regulated. U.S. Food and Drug Administration (2013) · government guidance · Page updated August 3, 2013; accessed October 1, 2026

Revision history

  1. Initial AI-assisted evidence compilation with source-linked claims, formulation distinctions and explicit research limitations; not independent medical review.