Cyclopentasiloxane
A cosmetic ingredient used as hair conditioning, skin conditioning, skin conditioning - emollient in skincare, haircare, and personal-care products sold in the European Union.
What is it?
Decamethylcyclopentasiloxane
What does it do?
Cyclopentasiloxane 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
improves the appearance, feel, and condition of skin
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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
Cyclopentasiloxane is allowed for use in cosmetic products in the European Union under Regulation 1223/2009. It is not subject to a specific Annex restriction at the time of writing.
Frequently asked questions
What is Cyclopentasiloxane?
Cyclopentasiloxane is a cosmetic ingredient catalogued in the EU CosIng database. Decamethylcyclopentasiloxane
Is Cyclopentasiloxane allowed in cosmetics in the EU?
Yes. Cyclopentasiloxane is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Cyclopentasiloxane do in cosmetic products?
Cyclopentasiloxane is declared in the EU cosmetic ingredient inventory with these functions: hair conditioning, skin conditioning, skin conditioning - emollient, solvent.
What is the CAS number of Cyclopentasiloxane?
The CAS (Chemical Abstracts Service) number for Cyclopentasiloxane is 541-02-6.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 28/07/2020