Ac
Acrylates/Dimethicone Copolymer
Acrylates/Dimethicone Copolymer
A film-former that joins silicone and acrylic parts.
What it does
The film it leaves can help makeup and sunscreen last longer on skin. In powders it also stops clumping and helps the powder hold together.
The EU’s ingredient database lists it as a film former (leaves a film on skin), a binder (holds the product together) and an anticaking agent (keeps powders from clumping).European Commission, CosIng (© European Union, CC BY 4.0) · uses put in plain words by Drop ↗
Browse all 924 ingredients — grouped by what they do, each with whatever evidence we can cite.
This page is public so a shared ingredient card always has its sources behind it — and so you can check them without an account.
Want more like this?
Every evidence-based flag cites its source, Drop tells you when your routine is complete, and it helps you simplify — instead of selling you more. The app launches on iOS and Android in October 2026. Rate my routine works today at /rate — no sign-in.