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

STEAROXYTRIMETHYLSILANE

Safety grade: A

This is a silicone-based ingredient created by combining silicone with stearic acid (a fatty acid). It's designed to make skin feel smooth and soft while helping products spread easily on the skin.

It acts as an emollient and skin conditioner, leaving skin feeling moisturized, silky, and smooth while improving the overall texture and appearance of cosmetic formulations.

Graded using: COSING, FDA.

Last verified: May 26, 2026