Developed in 1877, by a physician who used this product to treat his own horse for collar gall. Columbia Veterinary Antiseptic Powder has become a staple in the medical supplies of veterinarians, breeders, trainers, grooms, and horse owners. Effective in dealing with rundowns, hoof rot, saddle sores, cracked heals, proud flesh, and minor cuts and abrasions. Use it on your dog to heal hot spots and swimmer’s ear. You can also apply the antiseptic powder to promote healing after a surgical procedure. A great product to have on hand!