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

DIISOSTEARYL FUMARATE

Safety grade: A

This is a lightweight oil derived from natural plant sources that has been chemically modified to create a smooth, non-greasy texture. It mimics the skin's natural oils and glides on easily without leaving a heavy residue.

This ingredient softens and conditions the skin while also helping to create a smooth, silky texture in cosmetic formulas, making products feel luxurious and leaving skin feeling moisturized and supple.

Graded using: COSING.

Last verified: May 26, 2026