PROPYL TRIMETHICONE is graded A (Safe) by Expert·ING, based on COSING regulatory data.

PROPYL TRIMETHICONE

Safety grade: A

This is a lightweight silicone oil that feels smooth and silky on skin. It's commonly used in premium skincare and makeup products to create a soft, non-greasy feel.

It works as a conditioning agent that keeps skin and hair soft, helps the product spread smoothly, and allows other ingredients to penetrate the skin while reducing water loss.

Graded using: COSING.

Last verified: May 26, 2026