This Dr. Jacksons Neatsfoot Oil Compound is a combination of natural and synthetic oils. It is used as a softener, preservative and a water repellent for tooling leather and other smooth leathers subjected to rugged use. Neatsfoot oil compound also helps restore dried-out leather to its soft and pliable form for boots, baseball gloves, belts and saddles. Note that is will darken the leather color and it is not for use on suede or nubuck.