TRANS-5-OCTENONE is graded A (Safe) by Expert·ING, based on COSING regulatory data.

TRANS-5-OCTENONE

Safety grade: A

Trans-5-Octenone is a synthetic fragrance ingredient that has a fresh, fruity scent reminiscent of mushrooms or earthy notes. It's a small organic compound created in laboratories and used to add pleasant aromas to beauty products.

This ingredient is used in cosmetics to provide a distinctive fragrance component that enhances the overall scent profile of the product.

Graded using: COSING.

Last verified: May 26, 2026