Polyurethane-61
A cosmetic ingredient used as nail conditioning in skincare, haircare, and personal-care products sold in the European Union.
What is it?
Polyurethane-61 is the complex polymer made by first reacting saturated methylene diphenyldiisocyanate (SMDI), dimethyl aminopropylamine (DMAPA), isopropylidenediphenoxypropanol and the polyester polyol derived from isophthalic acid/1,6-hexanediol/adipic acid to form a prepolymer, followed by dispersion in water with triethylamine and subsequent chain extension with ethylenediamine.
What does it do?
Polyurethane-61 is listed in the EU cosmetic ingredient inventory with the following declared functions:
-
Nail conditioning
improves the appearance, feel, or condition of fingernails and toenails
EU regulatory status
Polyurethane-61 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 Polyurethane-61?
Polyurethane-61 is a cosmetic ingredient catalogued in the EU CosIng database. Polyurethane-61 is the complex polymer made by first reacting saturated methylene diphenyldiisocyanate (SMDI), dimethyl aminopropylamine (DMAPA), isopropylidenediphenoxypropanol and the polyester polyol derived from isophthalic acid/1,6-hexanediol/adipic acid to form a prepolymer, followed by dispersion in water with triethylamine and subsequent chain extension with ethylenediamine.
Is Polyurethane-61 allowed in cosmetics in the EU?
Yes. Polyurethane-61 is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Polyurethane-61 do in cosmetic products?
Polyurethane-61 is declared in the EU cosmetic ingredient inventory with these functions: nail conditioning.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 12/11/2014