The sodium salt of polymethacrylic acid, used as a binder, film former and thickener.
What it is
Sodium polymethacrylate is the sodium salt of a homopolymer of methacrylic acid. CosIng lists it as a binding, emulsion-stabilising, film-forming, opacifying and viscosity-controlling ingredient.
Where it is used
Found in creams, gels, hair care products and other 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
- Binding
- Providing adhesive properties during and after compression in cosmetic tablets and/or cakes.
- Emulsion stabilising
- Helping the process of emulsification and improving emulsion stability and shelf-life.
- Film forming
- Producing (upon application) a continuous film on the skin, hair or nails.
- Opacifying
- Reducing transparency or translucency of cosmetics.
- Viscosity controlling
- Increasing or decreasing the viscosity (thickness) 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 (10)
- Masterpiece Matte Liquid Eyeliner · Max Factor
- Eyeliner Masterpiece Matte Liquid Eyeliner Waterproof · Max Factor
- Masterpiece Waterproof Matte Liquid Eyeliner · Max Factor
- Lash & Brow Wonder Serum · ArtDeco
- 24h Matte Liquid Liner · ArtDeco
- Eyeliner Statement Lining 030 Rose Gold · trend !t up
- Eyeliner Dip it! - Beginner's Waterproof 040 Black · trend !t up
- Anti-Dandruff Hydrating Shampoo · Cerave
- L'Oreal Million Lashes Mascara Extra Volume Brown · L'OREAL NORGE AS
- L'Oreal Mascara Lash Paradise Air Black · L'OREAL NORGE AS