2-HEXYLIDENECYCLOPENTANONE is graded C (Moderate) by Expert·ING, based on COSING regulatory data. It is restricted under EU COSING — AnnexIII-ALLERGEN-.

2-HEXYLIDENECYCLOPENTANONE

Safety grade: C

This is a synthetic fragrance ingredient that contributes a pleasant scent to cosmetic products. It has a warm, floral, and slightly fruity aroma that helps make beauty products smell appealing.

It is used in cosmetic formulations purely as a fragrance component to impart or enhance a desirable scent in the product.

Graded using: COSING.

Last verified: May 26, 2026

Other EU Fragrance Allergen ingredients

Other Perfuming ingredients