What it is
PMMA is supplied as tiny smooth microspheres that roll across the skin, filling fine lines and scattering light for a soft-focus, blurring effect. It improves slip and gives a silky, powdery finish in sunscreens and makeup.
Safety & warnings
As an inert solid polymer it sits on the skin surface and is generally non-irritating.
Origin & sourcing
Synthetic acrylic polymer.
Questions everyone asks
What does PMMA do in cosmetics?
Its smooth microspheres blur the look of pores and lines and add a silky, soft-focus finish.
Does it absorb into skin?
No, it is an inert powder that stays on the surface.