Superior Treatment for Horses ! For Rain Rot, Girth Sores, Cracked Heels, Burns, Dew Poisoning, Fungus and Scratches. Vetset Cocoa Butter has the unique characteristic of melting at body temperature. This allows it to penetrate deeper, even through the thickest skin and scar tissue. The softening and moisturizing properties of the cocoa butter are what cause VetSet to encourage regrowth of the horse's hair, while cuts and wounds naturally heal, with no hairless spots. Even an existing scar or callus can be gently massaged away. Minimizes appearance of scars from cuts and abrasions.