Specifically formulated with citrus-based degreaser (d-Limonene) to provide a simple, safe, yet powerful alternative to cleaning a BBQ grill?s cooking surface. Works great on grills, cookers, smokers, ovens, microwaves, etc. Utilizing the power of citrus (d-limonene), CitruSafe? BBQ Grill Cleaner has been specifically designed to provide you a simple, safe and powerful alternative to cleaning your BBQ Grill?s cooking surface (grids). CitruSafe is non-flammable, non-corrosive, non-toxic, biodegradable and phosphate-free.