Polyurethane-64
A cosmetic ingredient used as film forming in skincare, haircare, and personal-care products sold in the European Union.
What is it?
Polyurethane-64 is a urethane copolymer formed by a multi-step reaction. First, isophorone diisocyanate (IDPI) is reacted with a mixture of polytetrahydrofurans (PTHFs), also known as polybutylene glycols or polytetramethylene glycols. One of the PTHFs contains an average of 14 mols and the other an average of 28 mols of butylene glycol. The resulting polyurethane is reacted with 4,4'-methylenebis(cyclohexylamine) and finally the residual isocyanate groups are reacted with ethanol.
What does it do?
Polyurethane-64 is listed in the EU cosmetic ingredient inventory with the following declared functions:
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Film forming
forms a thin continuous film on skin, hair, or nails — used in long-wear makeup, sunscreens, and hairsprays
EU regulatory status
Polyurethane-64 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-64?
Polyurethane-64 is a cosmetic ingredient catalogued in the EU CosIng database. Polyurethane-64 is a urethane copolymer formed by a multi-step reaction. First, isophorone diisocyanate (IDPI) is reacted with a mixture of polytetrahydrofurans (PTHFs), also known as polybutylene glycols or polytetramethylene glycols. One of the PTHFs contains an average of 14 mols and the other an average of 28 mols of butylene glycol. The resulting polyurethane is reacted with 4,4'-methylenebis(cyclohexylamine) and finally the residual isocyanate groups are reacted with ethanol.
Is Polyurethane-64 allowed in cosmetics in the EU?
Yes. Polyurethane-64 is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Polyurethane-64 do in cosmetic products?
Polyurethane-64 is declared in the EU cosmetic ingredient inventory with these functions: film forming.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 19/11/2015