A natural hoof hardener, reduces crack and abrasions of the horn. It is ideal for barefoot horses. Can also be used for horses with soggy, chipped hooves, cracks around nail holes, low heels, seperating hoof walls and can help to create a firm seat for the shoe. Contains active ingredients from Tannin oak bark which is a natural hardening agent. Also contains natural sunflower oil, coconut oil, linseed oila dn Biotin. Apply to clean outer horn wall and sole 3 times a week until the hoof is hardened. Do not apply to the coronary band, heel or frog. For shod horses, apply to nail holes to help strengthen damage. Can be used in conjunction with Hoof Lab Natural oil Balm to improve horn stucture. Comes with new easy-to-use applicator. Petroleum free.