LINOLEIC ACID
9,12-Octadecadienoic acid (9Z, 12Z)-
LINOLEIC ACID is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.
Regulatory evidence by market
No rule for this ingredient has been imported for any of the 13 markets tracked here.
That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.
Chemical identity and properties

Linoleic Acid
Linoleic acid is an octadecadienoic acid in which the two double bonds are at positions 9 and 12 and have Z (cis) stereochemistry. It has a role as a plant metabolite, a Daphnia galeata metabolite and an algal metabolite. It is an octadecadienoic acid and an omega-6 fatty acid. It is a conjugate acid of a linoleate. — ChEBI
- IUPAC name
- (9Z,12Z)-octadeca-9,12-dienoic acid
- Molecular formula
- C18H32O2
- Molecular weight
- 280.4 g/mol
- Exact mass
- 280.240230259 Da
- XLogP3
- 6.8
- Topological polar surface area
- 37.3 Ų
- Hydrogen-bond donors
- 1
- Hydrogen-bond acceptors
- 2
- Covalent units
- 1
- Defined stereocentres
- 0
Also known as
16 more reported names
External database identifiers
- ChEBI:CHEBI:137735
- ChEBI:CHEBI:17351
- ChEMBL:CHEMBL267476
- EPA DTXSID:DTXSID2025505
- PubMed:29968805
- PubMed:21170321
- PubMed:20671299
- PubMed:20541177
- PubMed:19440305
- PubMed:16702987
- PubMed:16153670
- PubMed:14717706
- PubMed:12629551
- PubMed:12565875
- PubMed:12496284
- PubMed:11546665
Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.
Inventory details for LINOLEIC ACID
INCI name
LINOLEIC ACID
Description
9,12-Octadecadienoic acid (9Z, 12Z)-
Record provenance
- Inventory reference
- 77323
- Imported identity
- LINOLEIC ACID
- Source update
- 15/10/2010
Annex records for LINOLEIC ACID
Key data
- ANTISTATIC
- Preventing and/or reducing static electricity by neutralising electrical charge on surfaces.
- CLEANSING
- Helping to keep the body surface clean.
- HAIR CONDITIONING
- Enhancing the appearance and feel of hair. Leaving the hair easy to comb, supple, soft and shiny and/or imparting volume, lightness, gloss, texture, etc.
- SKIN CONDITIONING
- Maintaining the skin in good condition.
- SKIN CONDITIONING - EMOLLIENT
- Acting as lubricants on the skin surface providing the skin with a soft and smooth appearance.
- SURFACTANT - CLEANSING
- Wetting body surfaces, emulsifying or solubilizing oils, and suspending soil (generally, such ingredients contribute to the foaming and lathering properties of cleansing products).
Official EU ingredient-name evidence
The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.
Related inventory evidence
Ingredients with overlapping formulation functions
Additional official and scientific sources
11 external databases to check this identity in
Each link searches that source for this identity. What each source is, and its legal weight
How LINOLEIC ACID appears in the CosIng inventory
The CosIng inventory lists LINOLEIC ACID as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.
LINOLEIC ACID is also tagged with 6 cosmetic functions in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.
Frequently asked questions
Source note for LINOLEIC ACID
This page reproduces the CosIng inventory entry for LINOLEIC ACID from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.
Use this inventory page to research LINOLEIC ACID and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.
Tools & next steps
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