The patented grinder cleaner offers professional cleaning for all types of grinders, especially in the coffee sector. The combination of coffee beans as natural carrier material and highly efficient cleaning formula removes contamination without leaving any residue. Especially coffee fats and oils, responsible for bitter aftertaste, are completely removed. The grinder cleaner saves a lot of work, as previously it was always necessary to completely dismantle the grinder for thorough, complete cleaning. However, the bean as a carrier offers several other advantages. Its shape and consistency ensure optimum distribution, and it also prevents the grinding mechanism from clogging. It also contains no incompatible substances and is completely biodegradable. Since grinders are designed for grinding coffee beans anyway, there is no additional wear and tear which could shorten the life of the grinder. The result is efficient, gentle cleaning and permanently optimum coffee quality.