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InventoryRef 7540615/10/2010

CYCLOHEXASILOXANE

Dodecamethylcyclohexasiloxane

CYCLOHEXASILOXANE 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

PubChem 2D chemical structure for CAS 540-97-6
CAS 540-97-6PubChem CID 10911

Dodecamethylcyclohexasiloxane

Dodecamethylcyclohexasiloxane is an organosilicon compound. ChEBI

IUPAC name
2,2,4,4,6,6,8,8,10,10,12,12-dodecamethyl-1,3,5,7,9,11-hexaoxa-2,4,6,8,10,12-hexasilacyclododecane
Molecular formula
C12H36O6Si6
Molecular weight
444.92 g/mol
Exact mass
444.11274807 Da
Topological polar surface area
55.4 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
6
Covalent units
1
Defined stereocentres
0

Also known as

Cyclohexasiloxane, dodecamethyl-Cyclomethicone 6XHK3U310BAXIAMETER PMX-0246RefChem:590100208-762-8CyclohexasiloxaneSimethicone Impurity 5
16 more reported names
2,2,4,4,6,6,8,8,10,10,12,12-DodecamethylcyclohexasiloxaneEINECS 208-762-8UNII-XHK3U310BAC12H36O6Si6HSDB 7723DC 246 fluidDodecamethylhexacyclosiloxaneEC 208-762-8dodecamethyl cyclohexasiloxaneIUMSDRXLFWAGNT-UHFFFAOYSA-CHEBI:191103CYCLOMETHICONE 6 [USP-RS]CYCLOHEXASILOXANE, DODECAMETHYLFS-5671DODECAMETHYLCYCLOHEXASILOXANE [MI]DODECAMETHYLCYCLOHEXASILOXANE [HSDB]
External database identifiers

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 CYCLOHEXASILOXANE

INCI name

CYCLOHEXASILOXANE

Description

Dodecamethylcyclohexasiloxane

Record provenance

Inventory reference
75406
Imported identity
CYCLOHEXASILOXANE
Source update
15/10/2010
European Commission CosIng source notes

Key data

Restriction
Function
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.
SOLVENT
Dissolving other components of cosmetics. Solvents are usually liquids (aqueous and nonaqueous).

Official EU ingredient-name evidence

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

Ingredients with overlapping formulation functions

Additional official and scientific sources

11 external databases to check this identity in

How CYCLOHEXASILOXANE appears in the CosIng inventory

The CosIng inventory lists CYCLOHEXASILOXANE 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.

CYCLOHEXASILOXANE 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

CYCLOHEXASILOXANE 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, CYCLOHEXASILOXANE carries the following function designation(s):

CAS 540-97-6 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.

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

Source note for CYCLOHEXASILOXANE

This page reproduces the CosIng inventory entry for CYCLOHEXASILOXANE 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 CYCLOHEXASILOXANE 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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