What it is
An oil-tolerant acrylic copolymer that forms a flexible film on the skin, helping hold UV filters and pigments in an even layer and improving the wear of long-lasting formulas.
Safety & warnings
As a large film-forming polymer it stays on the surface and is generally low-irritation.
Origin & sourcing
Synthetic acrylic copolymer.
Questions everyone asks
What does this polymer do?
It forms a film that helps the sunscreen apply evenly and stay put.
Is it a UV filter?
No, it helps carry and hold the filters rather than absorbing UV.