Po
Polymethylsilsesquioxane
Polymethylsilsesquioxane
A silicone resin in the form of tiny spherical powder beads that give a soft-focus, mattifying, velvety finish.
What it does
Polymethylsilsesquioxane is a silicone resin supplied as microscopic spherical beads. Those spheres roll across the skin to give a smooth, silky glide and scatter light to create a soft-focus, slightly blurred finish, while absorbing some surface oil for a matte feel. It is common in primers, makeup, and mattifying moisturizers. It is a texture-and-finish ingredient rather than a skin active.
Also known as
pmsq
This page is public and indexed on purpose (unlike profiles and drops, which are unlisted) — it’s the citation behind shared ingredient cards, and it should be findable.
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