Polyurethane-21
A cosmetic ingredient used as film forming in skincare, haircare, and personal-care products sold in the European Union.
What is it?
Methylenedicyclohexanediisocyanate, polymer with 2,2-di(hydroxymethyl)propanoic acid and 2,2'-oxybisethanol/2-oxepanone copymer, tris(2-hydroxyethyl)amine salts
What does it do?
Polyurethane-21 is listed in the EU cosmetic ingredient inventory with the following declared functions:
-
Film forming
forms a thin continuous film on skin, hair, or nails — used in long-wear makeup, sunscreens, and hairsprays
EU regulatory status
This ingredient is restricted in the European Union.
Polyurethane-21 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-21?
Polyurethane-21 is a cosmetic ingredient catalogued in the EU CosIng database. Methylenedicyclohexanediisocyanate, polymer with 2,2-di(hydroxymethyl)propanoic acid and 2,2'-oxybisethanol/2-oxepanone copymer, tris(2-hydroxyethyl)amine salts
Is Polyurethane-21 allowed in cosmetics in the EU?
Only with restrictions. Polyurethane-21 is permitted in EU cosmetics only under specific conditions defined in Annex III of Regulation 1223/2009.
What does Polyurethane-21 do in cosmetic products?
Polyurethane-21 is declared in the EU cosmetic ingredient inventory with these functions: film forming.
What is the CAS number of Polyurethane-21?
The CAS (Chemical Abstracts Service) number for Polyurethane-21 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