Ballistol Sportsman&';s Gun Oil is all-natural, non-toxic and does not lose its ability to lubricate even when mixed with water. Cleans black powder residue and is not petro-chemical based, so it will not affect a "seasoned" muzzleloader or black powder cartridge gun. Technical Information: Ballistol Sportsman&';s Gun OilNotes: Protects Guns (also dissolves traces of copper, lead, brass and black powder residues) Neutralizes Acids and Acidic Residues Emulsifies with Water for Dilution, yet Holds its Properties Protects Wood, Leather, Plastic and Rubber Use as Marine Lubricant