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

TRIMETHYLPENTYL TRISILOXANE

Safety grade: A

A silky, lightweight oil that helps cosmetic products spread smoothly across your skin and hair. It's made from silicone and leaves a soft, non-greasy feel. This ingredient is commonly used in foundations, primers, and hair care products to improve how they glide on and feel during application.

Graded using: COSING.

Last verified: June 9, 2026