A copolymer of styrene and vinylpyrrolidone, used as an opacifier and film former.
What it is
Styrene/VP copolymer is a synthetic copolymer of styrene and vinylpyrrolidone (VP). CosIng lists it as a film-forming and opacifying ingredient.
Where it is used
Found in shampoos, shower gels and other cleansing products, where it gives a milky, opaque appearance.
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 proportions of the monomers.
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.