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

BUTYL ISOSTEARATE

Safety grade: A

This is a lightweight, silky oil derived from plant sources that mimics the skin's natural oils. It spreads easily and absorbs quickly without feeling greasy.

This ingredient softens and smooths the skin while helping products glide on smoothly and feel luxurious, preventing moisture loss and keeping skin supple.

Graded using: COSING.

Last verified: May 26, 2026