INCI
Cosmetic ingredient

CYCLOHEXASILOXANE

CYCLOHEXASILOXANE is a cosmetic ingredient name. SKIN CONDITIONING - EMOLLIENT | HAIR CONDITIONING | SOLVENT. CAS 540-97-6.

Molecular structure of CYCLOHEXASILOXANE
2D molecular structure
CAS number
540-97-6
EC number
208-762-8
Molecular formula
C12H36O6Si6
Molecular weight
444.92
Chemical name
Dodecamethylcyclohexasiloxane
InChIKey
IUMSDRXLFWAGNT-UHFFFAOYSA-N

Chemical description

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%.

Recorded conditions

Restrictions and conditions of use

Cosmetic restriction
Restricted under COMMISSION REGULATION (EU) 2024/1328. 1. Shall not be placed on the market (a) as a substance on its own; (b) as a constituent of other substances; or (c) in mixtures; in a concentration equal to or greater than 0,1 % by weight of the respective substance after 6 June 2026. [...] 3. By way of derogation: (a) for D4 and D5 in wash-off cosmetic products, paragraph 1, point (c), shall apply after 31 January 2020. For the purposes of this point, “wash-off cosmetic products” means cosmetic products as defined in Article 2(1), point (a), of Regulation (EC) No 1223/2009 of the European Parliament and of the Council (*1) that, under normal conditions of use, are washed off with water after application; (b) for all cosmetic products other than the ones mentioned in paragraph 3(a), paragraph 1 shall apply after 6 June 2027.
Catalogue presence

Products containing this ingredient

The list follows the composition declared by the source record and preserves the name found there.