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

DIPHENYL ETHER

Safety grade: A

Diphenyl ether is a synthetic chemical compound made from two benzene rings connected by an oxygen atom. It is commonly used in fragrances and personal care products to help mask or improve unpleasant odors.

This ingredient works as a masking agent by neutralizing or covering up unwanted smells in cosmetic formulations, making the product more pleasant to use.

Graded using: COSING.

Last verified: May 26, 2026