A 1940s military poster by the Medical Replacement Training Center, Camp Barkeley, Texas, claims that 'mustard gas smells like garlic'. This is a strong, garlic-like scent.

The formula for this scent was updated in February 2026. 

Please note that mustard gas is manufacturered as a flavouring. AromaPrime products are specifically and solely for diffusion into the air using AromaPrime dispensing options. We cannot guarantee their safety or effectiveness if they are used with equipment not provided by the company or used in a manner other than as directed.

Aroma Prime Oils are solely for fragrance diffusion into the air – they are not for skin contact, product ingredients, flavoring or candle making.