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

TEREPHTHALALDEHYDE

Safety grade: A

Terephthalaldehyde is a synthetic chemical compound that belongs to a class of preservatives used to prevent bacterial and fungal growth in cosmetic products. It works by inhibiting microbial activity that could otherwise spoil or contaminate beauty and personal care formulations.

This preservative is added to cosmetic products to extend their shelf life by preventing the growth of bacteria, fungi, and other microorganisms that could cause spoilage or safety concerns.

Graded using: COSING.

Last verified: May 26, 2026