POLYSILICONE-31 is graded A (Safe) by Expert·ING, based on COSING regulatory data.
POLYSILICONE-31
Safety grade: A
This silicone-based ingredient is created in laboratories and works as a lightweight film-former in cosmetics. It helps products glide smoothly onto skin and hair while creating a soft, silky feel. It's commonly used in foundations, primers, and hair conditioners to improve texture and wear time.
Graded using: COSING.
Last verified: June 9, 2026