STYRENE/ACRYLATES COPOLYMER
STYRENE/ACRYLATES COPOLYMER is a synthetic polymer made by linking styrene units with acrylic units. It is not a botanical extract or a resin taken from a plant: its raw materials are processed industrially into large chains that can stay dispersed in a formula and form a layer after application.
STYRENE/ACRYLATES COPOLYMER: what it is
STYRENE/ACRYLATES COPOLYMER is a synthetic polymer made by linking styrene units with acrylic units. It is not a botanical extract or a resin taken from a plant: its raw materials are processed industrially into large chains that can stay dispersed in a formula and form a layer after application.
The word "acrylates" does not identify one fixed substance. In this family, the acrylic portion may come from acrylic acid, methacrylic acid, or simple esters of those acids, so the INCI name describes a copolymer class rather than one single recipe. It is also different from free styrene: the ingredient on a cosmetic label is the finished polymer.
STYRENE/ACRYLATES COPOLYMER: what it does in cosmetics
As a film former, STYRENE/ACRYLATES COPOLYMER helps leave a thin, continuous layer as a product dries. In colour cosmetics, that property can help the applied layer look more even on the surface instead of behaving only as a loose liquid or cream.
Its opacifying role makes a formula look less transparent. In practical terms, it can support a less see-through appearance and more even-looking coverage; it does not treat skin, eyelashes, or hair. A mascara-formulation study examined styrene-acrylate polymers together with pigments, surfactants, and other variables, finding that film hardness depends on the whole formulation rather than on this ingredient alone.
Products containing this ingredient
See which products include it and the name used in each composition.
