METHOXY PEG-10 POLYSILSESQUIOXANE is graded A (Safe) by Expert·ING, based on COSING regulatory data.

METHOXY PEG-10 POLYSILSESQUIOXANE

Safety grade: A

A lightweight silicone-based ingredient derived from silicon that helps cosmetics spread smoothly on skin and creates a silky, non-greasy feel. It forms a breathable protective layer and improves how products adhere to the skin without leaving a heavy residue, making it common in foundations, powders, and primers.

Graded using: COSING.

Last verified: June 9, 2026