Polyalkylaminoester-1
A cosmetic ingredient used as hair fixing in skincare, haircare, and personal-care products sold in the European Union.
What is it?
Polyalkylaminoester-1 is a complex polymer made first by polymerizing butadiene to form a pre-polymer of polybutadiene. The polybutadiene is capped on each end with one mol of propylene oxide to form a hydroxyl-terminated pre-polymer. One mol of acrylic acid is added to each end of the pre-polymer via esterification. Finally, the pre-polymers are linked together by a Michael addition reaction between the acrylate end groups and N,N-Bis(2-hydroxyethyl)-1,3-diaminopropane.
What does it do?
Polyalkylaminoester-1 is listed in the EU cosmetic ingredient inventory with the following declared functions:
-
Hair fixing
holds hair in a desired style, typically through a flexible film coating each strand
EU regulatory status
Polyalkylaminoester-1 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 Polyalkylaminoester-1?
Polyalkylaminoester-1 is a cosmetic ingredient catalogued in the EU CosIng database. Polyalkylaminoester-1 is a complex polymer made first by polymerizing butadiene to form a pre-polymer of polybutadiene. The polybutadiene is capped on each end with one mol of propylene oxide to form a hydroxyl-terminated pre-polymer. One mol of acrylic acid is added to each end of the pre-polymer via esterification. Finally, the pre-polymers are linked together by a Michael addition reaction between the acrylate end groups and N,N-Bis(2-hydroxyethyl)-1,3-diaminopropane.
Is Polyalkylaminoester-1 allowed in cosmetics in the EU?
Yes. Polyalkylaminoester-1 is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Polyalkylaminoester-1 do in cosmetic products?
Polyalkylaminoester-1 is declared in the EU cosmetic ingredient inventory with these functions: hair fixing.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 31/10/2012