Keratex Hoof Hardener is the perfect product to use if your horse suffers from brittle or weak hooves. Acting specifically on keratin, the protein which forms most of the hoof, this treatment's strengthening qualities have made it a popular choice among horse owners. Many of the country's top riders and their teams already use this product. Hoof Hardener can be used in conjunction with shoeing, but some owners choose the hardener as a complete alternative and run their horses barefoot. If your horse has brittle, weak or cracked hooves, or you don't want to shoe your horse, Hoof Hardener will work for you. Its also great for horses who tend to throw their shoes. Use as directed.