Cyclomethicone
A cosmetic ingredient used as hair conditioning, skin conditioning - emollient, solvent in skincare, haircare, and personal-care products sold in the European Union.
What is it?
Cyclomethicone is a generic name for a mixture of cyclic dimethyl polysiloxane compounds that conform to the formula, where n has a value between 4 and 6.
What does it do?
Cyclomethicone is listed in the EU cosmetic ingredient inventory with the following declared functions:
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Hair conditioning
improves the appearance, feel, and manageability of hair
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Skin conditioning - emollient
softens the skin by reducing roughness and friction between skin cells
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Solvent
dissolves other ingredients into a uniform liquid phase
EU regulatory status
This ingredient is banned in the European Union.
Cyclomethicone is listed under Annex II of EU Cosmetics Regulation 1223/2009 (entry 1388), making it prohibited in cosmetic products placed on the EU market.
Classification: (Only when Cyclomethicone contains D4)
Frequently asked questions
What is Cyclomethicone?
Cyclomethicone is a cosmetic ingredient catalogued in the EU CosIng database. Cyclomethicone is a generic name for a mixture of cyclic dimethyl polysiloxane compounds that conform to the formula, where n has a value between 4 and 6.
Is Cyclomethicone allowed in cosmetics in the EU?
No. Cyclomethicone is banned for use in cosmetic products in the EU under Annex II of Regulation 1223/2009.
What does Cyclomethicone do in cosmetic products?
Cyclomethicone is declared in the EU cosmetic ingredient inventory with these functions: hair conditioning, skin conditioning - emollient, solvent.
What is the CAS number of Cyclomethicone?
The CAS (Chemical Abstracts Service) number for Cyclomethicone is 69430-24-6 / 556-67-2 / 541-02-6 / 540-97-6.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 30/11/2020