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

ACETOIN

Safety grade: A

Acetoin is a mild-smelling organic compound that has a slightly sweet, butter-like aroma. It's commonly used in fragrances and flavoring to add depth and warmth to scent profiles.

This ingredient is used as a fragrance component to provide a pleasant, subtle scent to cosmetic products and enhance their overall aroma.

Graded using: COSING.

Last verified: May 26, 2026