Polyquaternium-66
A cosmetic ingredient used as hair conditioning, hair fixing in skincare, haircare, and personal-care products sold in the European Union.
What is it?
5-Isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane, polymer with di(hydroxypolymethylene) benzenedicarboxylate and ethylbis(2-hydroxyethyl)methylammonium ethyl sulfate
What does it do?
Polyquaternium-66 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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Hair fixing
holds hair in a desired style, typically through a flexible film coating each strand
EU regulatory status
Polyquaternium-66 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 Polyquaternium-66?
Polyquaternium-66 is a cosmetic ingredient catalogued in the EU CosIng database. 5-Isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane, polymer with di(hydroxypolymethylene) benzenedicarboxylate and ethylbis(2-hydroxyethyl)methylammonium ethyl sulfate
Is Polyquaternium-66 allowed in cosmetics in the EU?
Yes. Polyquaternium-66 is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Polyquaternium-66 do in cosmetic products?
Polyquaternium-66 is declared in the EU cosmetic ingredient inventory with these functions: hair conditioning, hair fixing.
What is the CAS number of Polyquaternium-66?
The CAS (Chemical Abstracts Service) number for Polyquaternium-66 is -.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 15/10/2010