Polyurethane-46
A cosmetic ingredient used as hair conditioning in skincare, haircare, and personal-care products sold in the European Union.
What is it?
Polyurethane-46 is a complex urethane-based polymer. Initially, a pre-polymer is made by the reaction of isophorone diisocyanate (IPDI) with three different polyols. The polyols are poly(1,4-butanediol)-30, methoxy PEG-20 terminated with a 2,2 dimethyol butoxy group, and Methyl Diethanolamine .
What does it do?
Polyurethane-46 is listed in the EU cosmetic ingredient inventory with the following declared functions:
-
Hair conditioning
improves the appearance, feel, and manageability of hair
EU regulatory status
This ingredient is restricted in the European Union.
Polyurethane-46 is listed under Annex III of EU Cosmetics Regulation 1223/2009 (entry 62). It is permitted only under specific conditions, concentration limits, or in particular product types.
Frequently asked questions
What is Polyurethane-46?
Polyurethane-46 is a cosmetic ingredient catalogued in the EU CosIng database. Polyurethane-46 is a complex urethane-based polymer. Initially, a pre-polymer is made by the reaction of isophorone diisocyanate (IPDI) with three different polyols. The polyols are poly(1,4-butanediol)-30, methoxy PEG-20 terminated with a 2,2 dimethyol butoxy group, and Methyl Diethanolamine .
Is Polyurethane-46 allowed in cosmetics in the EU?
Only with restrictions. Polyurethane-46 is permitted in EU cosmetics only under specific conditions defined in Annex III of Regulation 1223/2009.
What does Polyurethane-46 do in cosmetic products?
Polyurethane-46 is declared in the EU cosmetic ingredient inventory with these functions: hair conditioning.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 29/11/2012