6-METHYL-5-HEPTEN-2-ONE is graded A (Safe) by Expert·ING, based on COSING regulatory data.

6-METHYL-5-HEPTEN-2-ONE

Safety grade: A

This is a synthetic fragrance chemical that produces a fresh, citrusy, and slightly herbal scent often described as reminiscent of lemongrass or citrus oils. It is commonly used as a building block in perfume formulations to create pleasant, recognizable aromas.

This ingredient is used in cosmetic products solely to add or enhance fragrance, giving products like lotions, shampoos, and perfumes a fresh, citrus-like scent.

Graded using: COSING.

Last verified: May 26, 2026