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

ISOSTEARYL ISOBUTYRATE

Safety grade: A

This is a lightweight, silky oil made in the laboratory that mimics natural skin oils. It's designed to feel smooth on skin without leaving a heavy or greasy residue.

This ingredient softens and moisturizes the skin while also helping cosmetic products spread smoothly and feel luxurious on application.

Graded using: COSING.

Last verified: May 26, 2026