2-HYDROXYSTEARIC ACID
2-Hydroxystearic Acid is the organic compound that conforms to the formula
2-HYDROXYSTEARIC 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
2-Hydroxystearic acid
2-hydroxyoctadecanoic acid is a long-chain fatty acid that is stearic (octadecanoic) acid substituted at position 2 by a hydroxy group. It has a role as a human metabolite. It is a 2-hydroxy fatty acid and a hydroxyoctadecanoic acid. It is a conjugate acid of a 2-hydroxyoctadecanoate. — ChEBI
- IUPAC name
- 2-hydroxyoctadecanoic acid
- Molecular formula
- C18H36O3
- Molecular weight
- 300.5 g/mol
- Exact mass
- 300.26644501 Da
- XLogP3
- 7.5
- Topological polar surface area
- 57.5 Ų
- Hydrogen-bond donors
- 2
- Hydrogen-bond acceptors
- 3
- Covalent units
- 1
- Defined stereocentres
- 0
Also known as
16 more reported names
External database identifiers
- ChEBI:CHEBI:19660
- ChEMBL:CHEMBL4562220
- EPA DTXSID:DTXSID70415248
- PubMed:22339649
- PubMed:22164155
- PubMed:21417341
- PubMed:18559081
- PubMed:15644336
- PubMed:15055237
- PubMed:12626405
Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.
Official European Commission record
- CosIng substance ID
- 101476
- Published in the Official Journal
- Yes
- Recorded by the Commission
- 2024-06-28
Fields as published by the European Commission. The link opens the entry itself, not a search for it.
Inventory details for 2-HYDROXYSTEARIC ACID
INCI name
2-HYDROXYSTEARIC ACID
Description
2-Hydroxystearic Acid is the organic compound that conforms to the formula
Record provenance
- Inventory reference
- cosing-live-101476
- Imported identity
- 2-HYDROXYSTEARIC ACID
- Source update
- 2024-06-28
Annex records for 2-HYDROXYSTEARIC ACID
Key data
- 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 PROTECTING
- Helping to avoid harmful effects to the skin from external factors.
- 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).
- SKIN CONDITIONING - MISCELLANEOUS
- Enhancing the appearance of dry and/or damaged skin by reducing flaking and restoring suppleness.
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 2-HYDROXYSTEARIC ACID appears in the CosIng inventory
The CosIng inventory lists 2-HYDROXYSTEARIC 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.
2-HYDROXYSTEARIC ACID is also tagged with 4 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 2-HYDROXYSTEARIC ACID
This page reproduces the CosIng inventory entry for 2-HYDROXYSTEARIC 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 2-HYDROXYSTEARIC 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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