Polyurethane-29
A cosmetic ingredient used as emulsion stabilising, film forming, hair conditioning in skincare, haircare, and personal-care products sold in the European Union.
What is it?
Polyurethane-29 is a copolymer of methyl diethanolamine (MDEA), polytetramethylene ether glycol (PTMEG), hexamethylene diisocyanate (HDI) and saturated methylene diphenyldiisocyanate (SMDI)
What does it do?
Polyurethane-29 is listed in the EU cosmetic ingredient inventory with the following declared functions:
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Emulsion stabilising
stabilises emulsions of oil and water, preventing separation over time
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Film forming
forms a thin continuous film on skin, hair, or nails — used in long-wear makeup, sunscreens, and hairsprays
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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
Polyurethane-29 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-29?
Polyurethane-29 is a cosmetic ingredient catalogued in the EU CosIng database. Polyurethane-29 is a copolymer of methyl diethanolamine (MDEA), polytetramethylene ether glycol (PTMEG), hexamethylene diisocyanate (HDI) and saturated methylene diphenyldiisocyanate (SMDI)
Is Polyurethane-29 allowed in cosmetics in the EU?
Yes. Polyurethane-29 is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Polyurethane-29 do in cosmetic products?
Polyurethane-29 is declared in the EU cosmetic ingredient inventory with these functions: emulsion stabilising, film forming, hair conditioning, hair fixing.
What is the CAS number of Polyurethane-29?
The CAS (Chemical Abstracts Service) number for Polyurethane-29 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