What function does SODIUM LAUROYL ISETHIONATE serve in cosmetics?

According to the EU CosIng inventory, SODIUM LAUROYL ISETHIONATE carries the following function designation(s): ANTISTATIC, CLEANSING, FOAMING, HAIR CONDITIONING, SKIN CONDITIONING, SURFACTANT - CLEANSING.

What other records share CAS 7381-01-3?

CAS 7381-01-3 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 SODIUM LAUROYL ISETHIONATE?

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 3793715/10/2010

SODIUM LAUROYL ISETHIONATE

Sodium 2-sulphonatoethyl laurate

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

INCI Checker Compare all markets Search similar

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.

Markets and their official sources Search every market for this name

Chemical identity and properties

PubChem 2D chemical structure for CAS 7381-01-3

CAS 7381-01-3PubChem CID 23668826

dodecanoic acid, 2-sulfoethyl ester, sodium salt

The CIR Expert Panel concluded that the 12 isethionate salts listed below are safe in the present practices of use and concentration in cosmetics, when formulated to be non-irritating...Sodium Lauroyl Isethionate... — Cosmetic Ingredient Review (CIR)

IUPAC name: sodium 2-dodecanoyloxyethanesulfonate

Molecular formula: C14H27NaO5S
Molecular weight: 330.42 g/mol
Exact mass: 330.14768941 Da
Topological polar surface area: 91.9 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 5
Covalent units: 2
Defined stereocentres: 0

Also known as

Sodium ethyl 2-sulfolaurateSodium lauroyl isethionateIgepon ASodium lauroylisethionateSodium 2-sulfoethyl laurateSodium 2-sulfoethyldodecanoateSodium lauryl isethionate2-Sulfoethyl laurate sodium salt

16 more reported names

CCRIS 528Lauroyl isethionate, sodium salt2-Sulfoethyl dodecanoate sodium saltEINECS 230-949-8SODIUM LAUROYL ISETHIONATE [MI]Lauric acid, ester with 2-hydroxyethanesulfonic acid sodium saltEC 230-949-8Dodecanoic acid, 2-sulfoethyl ester, sodium salt (1:1)RefChem:590239SODIUM LAUROYL ISETHIONATE [INCI]SODIUM ETHYL 2-SULFOLAURATE [INCI]sodium 2-(dodecanoyloxy)ethanesulfonatesodium;2-dodecanoyloxyethanesulfonateSodium 2-(dodecanoyloxy)ethane-1-sulfonateSodium 2-sulphonatoethyl laurateBRMSVEGRHOZCAM-UHFFFAOYSA-M

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID30904926

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 SODIUM LAUROYL ISETHIONATE

INCI name

SODIUM LAUROYL ISETHIONATE

Description

Sodium 2-sulphonatoethyl laurate

Record provenance

Inventory reference: 37937
Imported identity: SODIUM LAUROYL ISETHIONATE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for SODIUM LAUROYL ISETHIONATE

Browse

Browse EU annexes

Explore Annex II–VI to see which substances are prohibited, restricted or permitted under specific conditions.

Search annex entries

Search the annex database for entries matching SODIUM LAUROYL ISETHIONATE or related substances.

Key data

CAS

7381-01-3

230-949-8

Restriction

—

Function

ANTISTATIC: Preventing and/or reducing static electricity by neutralising electrical charge on surfaces.
CLEANSING: Helping to keep the body surface clean.
FOAMING: Trapping numerous small bubbles of air or other gas within a small volume of liquid by modifying the surface tension of the liquid.
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.
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.

#26749 · SODIUM LAUROYL ISETHIONATE

Records sharing a CAS or EC identity

SODIUM ETHYL 2-SULFOLAURATE

Ingredients with overlapping formulation functions

SODIUM LAUROAMPHOACETATECLEANSING, FOAMING, HAIR CONDITIONING, SURFACTANT - CLEANSING, SURFACTANT - FOAM BOOSTING

SODIUM LAUROAMPHOHYDROXYPROPYLSULFONATEANTISTATIC, CLEANSING, FOAMING, HAIR CONDITIONING, SURFACTANT - CLEANSING, SURFACTANT - FOAM BOOSTI…

SODIUM LAUROAMPHOPROPIONATEANTISTATIC, CLEANSING, FOAMING, HAIR CONDITIONING, SURFACTANT - CLEANSING, SURFACTANT - FOAM BOOSTI…

SODIUM LAUROYL HYDROXYETHYL BETA-ALANINATECLEANSING, FOAMING, SURFACTANT - CLEANSING

SODIUM LAUROYL SARCOSINATEANTISTATIC, CLEANSING, FOAMING, HAIR CONDITIONING, SKIN CONDITIONING, SURFACTANT - CLEANSING, SURFA…

SODIUM LAUROYL TAURATEANTISTATIC, CLEANSING, FOAMING, SURFACTANT - CLEANSING

SODIUM LAURYL SULFATECLEANSING, DENATURANT, FOAMING, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

SODIUM LAURYL SULFOACETATECLEANSING, FOAMING, SURFACTANT - CLEANSING

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 SODIUM LAUROYL ISETHIONATE appears in the CosIng inventory

The CosIng inventory lists SODIUM LAUROYL ISETHIONATE 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.

SODIUM LAUROYL ISETHIONATE 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

SODIUM LAUROYL ISETHIONATE 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, SODIUM LAUROYL ISETHIONATE carries the following function designation(s):

CAS 7381-01-3 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.

View CAS records

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

Open INCI Checker

Source note for SODIUM LAUROYL ISETHIONATE

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

View sources View updates

Tools & next steps

Check your formula

Scan a full INCI list to detect SODIUM LAUROYL ISETHIONATE and any linked EU annex restrictions or allergen flags.

INCI Checker

Search similar ingredients

Find other inventory ingredients and annex entries related to SODIUM LAUROYL ISETHIONATE, its identifiers or nearby name variants.