What function does ISOSTEARYL ALCOHOL serve in cosmetics?

According to the EU CosIng inventory, ISOSTEARYL ALCOHOL carries the following function designation(s): SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, VISCOSITY CONTROLLING.

What other records share CAS 27458-93-1?

CAS 27458-93-1 may appear across multiple EU annex records. The CAS lookup page shows all Annex II–VI entries sharing this identifier, useful for identifying cross-annex regulatory status of the same chemical substance.

How do I check if my formula contains ISOSTEARYL ALCOHOL?

Use the INCI Checker to screen a full ingredient list across selected markets, or use the substance market comparison to review this identity across all supported market datasets.

InventoryRef 3475215/10/2010

ISOSTEARYL ALCOHOL

Isooctadecan-1-ol

ISOSTEARYL ALCOHOL is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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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.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 27458-93-1

CAS 27458-93-1PubChem CID 62825

Isostearyl Alcohol EX

16-methylheptadecan-1-ol is a long-chain primary fatty alcohol that is heptadecan-1-ol substituted by a hydroxy group at position 1 and a methyl group at position 16. It is functionally related to a heptadecan-1-ol. It derives from a hydride of a heptadecane. — ChEBI

IUPAC name: 16-methylheptadecan-1-ol

Molecular formula: C18H38O
Molecular weight: 270.5 g/mol
Exact mass: 270.292265831 Da
XLogP3: 8.1
Topological polar surface area: 20.2 Å²
Hydrogen-bond donors: 1
Hydrogen-bond acceptors: 1
Covalent units: 1
Defined stereocentres: 0

Also known as

16-methylheptadecanol1-Heptadecanol, 16-methyl-W29XHH208CCHEBI:84911RefChem:1087832255-529-1Isostearyl alcoholIsooctadecanol

16 more reported names

isostearylalcoholIsooctadecyl alcohol16-METHYL-1-HEPTADECANOLIsostearyl alcohol [USAN]Isostearyl alcohol (USAN)Isooctadecan-1-olEINECS 248-470-8UNII-Q613OCQ44YUNII-W29XHH208CWitcohol 66EINECS 255-529-1Jarcol i-18tWitcohol 66 (TN)EC 248-470-8SCHEMBL8716Q613OCQ44Y

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:84911
ChEMBL:CHEMBL2107291
EPA DTXSID:DTXSID80892268
PubMed:21738774
PubMed:20540996
PubMed:16375418
PubMed:15975680
PubMed:14555419

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 ISOSTEARYL ALCOHOL

INCI name

ISOSTEARYL ALCOHOL

Description

Isooctadecan-1-ol

Record provenance

Inventory reference: 34752
Imported identity: ISOSTEARYL ALCOHOL
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for ISOSTEARYL ALCOHOL

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Key data

CAS

27458-93-1

248-470-8

Restriction

—

Function

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.
VISCOSITY CONTROLLING: Increasing or decreasing the viscosity (thickness) of cosmetics.

Official EU ingredient-name evidence

The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.

#13961 · ISOSTEARYL ALCOHOL

Ingredients with overlapping formulation functions

ISOPROPYL TITANIUM TRIISOSTEARATE/TRIETHOXYCAPRYLYLSILANE CROSSPOLYMERSURFACTANT - CLEANSING, VISCOSITY CONTROLLING

ISOSTEARAMIDE DEAANTISTATIC, SURFACTANT - CLEANSING, SURFACTANT - FOAM BOOSTING, VISCOSITY CONTROLLING

ISOSTEARAMIDE MEAANTISTATIC, SURFACTANT - CLEANSING, SURFACTANT - FOAM BOOSTING, VISCOSITY CONTROLLING

ISOSTEARAMIDE MIPAANTISTATIC, SURFACTANT - CLEANSING, SURFACTANT - FOAM BOOSTING, VISCOSITY CONTROLLING

ISOSTEARYL POLYGLYCERYL-3 DIMETHICONESURFACTANT - EMULSIFYING; HAIR CONDITIONING; SURFACTANT - CLEANSING; VISCOSITY CONTROLLING; SKIN CO…

ISOSTEARYL STEAROYL STEARATESKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, VISCOSITY CONTROLLING

JOJOBA ALCOHOLSKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, VISCOSITY CONTROLLING

JOJOBAMIDOPROPYL BETAINEABRASIVE, ANTISTATIC, CLEANSING, HAIR CONDITIONING, SURFACTANT - CLEANSING, SURFACTANT - FOAM BOOST…

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

ECHA CHEM / Information on chemicals PubChem PUG REST EU Safety Gate cosmetic product alerts ECHA CHEM US EPA CompTox Cosmetic Ingredient Review safety assessments FDA Global Substance Registration System ILO/WHO International Chemical Safety Cards Japan NITE-CHRIP NIOSH Pocket Guide to Chemical Hazards OECD eChemPortal

How ISOSTEARYL ALCOHOL appears in the CosIng inventory

The CosIng inventory lists ISOSTEARYL ALCOHOL 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.

ISOSTEARYL ALCOHOL is also tagged with 3 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

ISOSTEARYL ALCOHOL is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

According to the EU CosIng inventory, ISOSTEARYL ALCOHOL carries the following function designation(s):

CAS 27458-93-1 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.

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Source note for ISOSTEARYL ALCOHOL

This page reproduces the CosIng inventory entry for ISOSTEARYL ALCOHOL 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 ISOSTEARYL ALCOHOL and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

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Tools & next steps

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