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

9-DECENAL

Safety grade: A

9-Decenal is a fragrance chemical that has a fresh, citrus-like, and slightly waxy scent. It is used to give cosmetic products a pleasant smell.

This ingredient is used in cosmetic products solely to contribute a specific scent or to enhance the overall fragrance of a formula.

Graded using: COSING.

Last verified: May 26, 2026