Blade Guard Knife Paste – Simple, quick and effective protection for all your knives. Formulated especially for carbon steel with all non-toxic ingredients and food grade oils. When applied to carbon steel, it gives your blade a satin sheen that lasts. Once on the blade, with the excess wiped off, you can feel no residue; just a super thin layer of protection that stays on the blade and stands up to water and weather, repelling dust and dirt and maintaining your knife for generations to come.