Hoof hardenerStronghorn spray nourishes and toughens horn tissue and is a powerful hoof disinfectant.Its spray-on formula makes it easy to apply and more convenient than many paint-on hoof hardeners which come in narrow-based bottles that are easy to knock over.The simple ingredients in Stronghorn have been chosen for their effective antimicrobial properties.Zinc sulphateA powerful, non-caustic, antifungal agent.MSMA naturally occurring source of sulphur to promote the growth of healthy hoof tissue.Lemon oilAn essential oil with antibacterial and antifungal properties.Elemi oilAn essential oil with antibacterial and antifungal properties.Citric acidA natural preservative to extend the life of the product.Natural surfactantsTo maintain product consistency.