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

6-ISOBUTYLQUINOLINE

Safety grade: A

6-Isobutylquinoline is a synthetic aromatic compound that produces a distinctive woody, earthy, and slightly leathery scent. It is used as a fragrance ingredient to give cosmetic products a unique and pleasant smell.

This ingredient is used in cosmetic products solely as a perfuming agent to add or enhance fragrance in formulations such as perfumes, lotions, and creams.

Graded using: COSING.

Last verified: May 26, 2026