INCI name

STYRENE/ACRYLATES COPOLYMER

Styrene/acrylates copolymer

A synthetic polymer used as an opacifier and film former.

What it is

Styrene/acrylates copolymer is a synthetic polymer usually supplied as a fine dispersion. It makes clear products look creamy or milky and can form a film in make-up and nail products.

Where it is used

Found in shower gels, shampoos, liquid soaps, mascaras and nail polish.

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.

Its role is mainly visual or technical; it says little about how the product cares for skin or hair.

Functions

Film forming
Producing (upon application) a continuous film on the skin, hair or nails.
Opacifying
Reducing transparency or translucency of cosmetics.

EU regulation

EU · Annex II, entry 1725Styrene/Acrylates copolymer (nano) [INCI] Sodium Styrene/Acrylates copolymer (nano) [INCI]
As of
3 November 2026 · (EU) 2024/858

Scientific opinions (SCCS)

Opinions of the EU Scientific Committee on Consumer Safety that mention this ingredient. They assess specific uses and concentrations; read the opinion for its scope.

Products with this ingredient (504)

Check a full ingredient list