BIS-TMP DIMETHICONE is graded A (Safe) by Expert·ING, based on COSING regulatory data.

BIS-TMP DIMETHICONE

Safety grade: A

This silicone-based ingredient is a lightweight conditioning agent derived from silicon (a naturally occurring element). It helps cosmetics spread smoothly on skin and hair while creating a soft, silky feel and improving product texture. It's commonly used in foundations, primers, and hair care products.

Graded using: COSING.

Last verified: June 9, 2026