A copolymer of acrylamide and ammonium acrylate, used as a binding, film-forming and hair-fixing ingredient and regulated in Annex III.
What it is
Acrylamide/ammonium acrylate copolymer is a polymer of acrylamide with the ammonium salt of acrylic acid. CosIng lists it as a binding, film-forming and hair-fixing ingredient. In the EU it is covered by an entry in Annex III (substances subject to restrictions) that applies to polyacrylamides.
Where it is used
Appears on the ingredient lists of 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.
See the EU regulation section for the applicable limits, which differ between body leave-on products and other products.
Functions
- Binding
- Providing adhesive properties during and after compression in cosmetic tablets and/or cakes.
- Film forming
- Producing (upon application) a continuous film on the skin, hair or nails.
- Hair fixing
- Permitting physical control of hair style.
EU regulation
- Product type
- (a) Body leave-on products (b) Other products
- As of
- 3 November 2026 · (EC) 2009/1223

