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

4-ETHYLGUAIACOL

Safety grade: A

4-Ethylguaiacol is a fragrance compound that naturally occurs in cloves, smoke, and certain fermented foods, giving off a warm, spicy, smoky scent. It is used in cosmetics to add a distinctive aromatic quality to products.

This ingredient is used in cosmetic products as a fragrance agent to provide or enhance a warm, spicy, and smoky scent profile.

Graded using: COSING.

Last verified: May 26, 2026