The present invention relates to a disinfection composition, particularly for lasting disinfection of synthetic fibers, synthetic surfaces, metallic surfaces and composite surfaces, and similar surfaces, said disinfection composition comprising at least one disinfectant, at least one fat- and residue-removing component, at least one additional protection component and additional components which are compatible with the above components and have low or no toxicity. The invention further relates to a disinfection method, to a specific tooth brush disinfection protocol and finally, to a corresponding disinfection product.