Cornucrescine Hoof Ointment by Carr & Day & Martin is a unique formulation designed to support healthy hoof growth and maintain optimum hoof condition. This traditional formula has been trusted for generations. Massage into the coronet band to promote healthy hoof growth. It maintains optimum hoof health and aids in the re-structuring and growth of the hoof. Application by hand or with a toothbrush stimulates keratin-producing cells. The hoof ointment also aids hair re-growth after rubs or scarring.