Effol Hoof Ointment BlackThis Yellow Ointment is for use during summer to keep the hooves Moist. The Black Ointment is Antibacterial Fungal for use all year round The Green Ointment is for use during winter to repel water. Effol Hoof Ointment is the classic product which has proved its value for over 100 years. The original Effol Hoof Ointment ensures healthy hoof growth and also has a disinfecting effect. The combination of laurel and thymol effectively helps to protect