HG (combi) microwave cleaner is a convenient and powerful every-day spray cleaner suitable for removing grease and caked-on food remnants from combination microwaves. It is safe to use on all the materials that are used in combination microwaves. Spray the surface with HG (combi) microwave cleaner and leave it to soak for a few seconds. Wipe off with kitchen paper. Then wipe the cleaned surfaces with a clean, damp tea towel.