5-PHENYLHEX-3-EN-2-ONE is graded A (Safe) by Expert·ING, based on COSING regulatory data.

5-PHENYLHEX-3-EN-2-ONE

Safety grade: A

This is a synthetic fragrance chemical that produces a pleasant scent, often described as having floral or fruity aromatic qualities. It is used as a building block in creating perfume blends for cosmetic products.

This ingredient is used in cosmetic products solely to add or enhance fragrance, contributing to the overall scent profile of the formulation.

Graded using: COSING.

Last verified: May 26, 2026