Piel

Cyclohexasiloxane

INCI name: Cyclohexasiloxane

Cyclohexasiloxane is classed in the EU CosIng database as skin conditioning (emollient), hair conditioning and solvent. Piel groups it with silicones.

What it does

CosIng definition

Cyclohexasiloxane is the cyclic dimethyl polysiloxane that conforms to the formula, where n equals 6, and the other components of cyclomethicone (where n equals 4, 5, or 7) are present at levels of less than 1%.

How Piel groups it

Piel's knowledge base files Cyclohexasiloxane under:

Found in 839 products in Piel's catalogue.

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Identifiers

INCI name
Cyclohexasiloxane
CAS number
540-97-6
EC number
208-762-8
CosIng reference
75406

Data from Piel's records, September 19, 2026