Food Safe Certified - Made in USA facilities, contains no harmful or toxic ingredients. Preserves Blade - Knife oil stops rust from forming due to oxidization of steel, by creating a barrier against environmental humidity and water. Carbon Steel Friendly - Recommended for Japanese knives such as Shun, Global, Mercer and any other high carbon metals. Multiple Uses - Use with sharpening or wet stones, garden tools, axes, meat grinders, or any metal for safe, effective protection. No Odor or Taste - Completely odorless and tasteless and has no allergic properties or gluten, making it ideal for chefs.