A synthetic cationic copolymer used as an opacifier.
What it is
Ethalkonium chloride acrylate/HEMA/styrene copolymer is a copolymer of styrene, 2-hydroxyethyl methacrylate (HEMA) and ethalkonium chloride acrylate, a quaternary ammonium monomer. CosIng lists it as an opacifying ingredient.
Where it is used
Found in a small number of products.
Limits of interpretation
The INCI list shows which ingredients are present, not how much of each. Above 1%, ingredients are listed in descending order of weight; below 1% the order is free.
The INCI name does not show the molecular weight or the ratio of the monomers.
Functions
- Opacifying
- Reducing transparency or translucency of cosmetics.
EU regulation
This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.