Gun Scrubber elemental firearm cleaner is a proprietary blend of natural compounds that effectively removes carbon while having low odor and being non-hazardous to your skin Gun Scrubber elemental firearm cleaner is the best solution if you have firearms to clean and do not want to handle harsh chemicals or work in a closed space Gun Scrubber elemental firearm cleaner works great as a parts cleaner and as a carbon remover for barrels