5-METHYL-ALPHA-IONONE is graded A (Safe) by Expert·ING, based on COSING regulatory data.

5-METHYL-ALPHA-IONONE

5-Methyl Alpha Ionone

Safety grade: A

This is a synthetic fragrance ingredient that produces a soft, floral, and slightly woody violet-like scent. It is commonly used to give cosmetic products a pleasant and lasting aroma.

It is used in cosmetic products purely as a fragrance ingredient to add or enhance a pleasing scent to the formula.

Graded using: COSING.

Last verified: May 26, 2026