Effol hoof ointment black effol hoof ointment is a tried and trusted hoof balsam that helps to strengthen horn development prevents hooves from drying up and softening and even disinfects and destroys bacteria effol hoof ointment guards the coronet band against skin diseases whilst conditioning the hoof to withstand cracks and splits effol hoof treatment also helps to prevent thrush whilst giving the hoof a show winning shine effol hoof ointment in brief tried and trusted hoof