A synthetic polymer used as an opacifier and film former.
What it is
Styrene/Acrylates/Ammonium Methacrylate Copolymer is a synthetic polymer made from styrene, acrylate monomers and ammonium methacrylate. CosIng lists it as film forming and opacifying.
Where it is used
Used in shower gels, liquid soaps and shampoos to give a milky look, and in makeup and mascaras.
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.
In cleansing products an opacifier mainly affects appearance; its position on the list does not show what role it plays in a given formula.
Functions
- Film forming
- Producing (upon application) a continuous film on the skin, hair or nails.
- 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.
Products with this ingredient (64)
- Lash Sensational® Sky High · Maybelline
- The Falsies® Surreal · Maybelline
- Lash Sensational® · Maybelline
- THE COLOSSAL® CURL BOUNCE · Maybelline
- Hyper Precise · Maybelline
- Masterpiece High Precision tekutá linka · Max Factor
- Colour X-pert linka na oči · Max Factor
- Masterpiece Matte Liquid Eyeliner · Max Factor
- Eyeliner Masterpiece Matte Liquid Eyeliner Waterproof · Max Factor
- Eyeliner Liquido Masterpiece High Precision · Max Factor
- Masterpiece Waterproof Matte Liquid Eyeliner · Max Factor
- Intense Eye Marker Waterproof · Lumene

