FUSEL OIL is graded A (Safe) by Expert·ING, based on COSING regulatory data.

FUSEL OIL

Safety grade: A

Fusel oil is a byproduct of fermentation that smells like alcohol and has a sharp, pungent aroma. It's a mixture of organic compounds left over when yeast ferments grains or other materials to make alcohol.

Fusel oil is used in cosmetics as a fragrance ingredient to add a distinctive spicy, alcohol-like scent to perfumes and scented products.

Graded using: COSING.

Last verified: May 26, 2026