A synthetic film-forming polymer used in hair styling products.
What it is
Butyl ester of PVM/MA copolymer is the monobutyl ester of a copolymer of methyl vinyl ether and maleic acid. It forms a film when the solvent evaporates. CosIng lists it as an antistatic, binding, film-forming and hair-fixing ingredient.
Where it is used
Found in a small number of products, mainly hair sprays and other styling 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 of the polymer.
Functions
- Antistatic
- Preventing and/or reducing static electricity by neutralising electrical charge on surfaces.
- 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
This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.