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

DIPHENOLIC ACID

Safety grade: A

Diphenolic acid is a synthetic chemical compound created in the laboratory that helps control how thick or thin a product feels. It works to adjust the texture and consistency of cosmetic formulations.

This ingredient is used to adjust and maintain the thickness of cosmetic products, ensuring they have the right consistency for easy application and use.

Graded using: COSING.

Last verified: May 26, 2026