Red Horse Hoof Disinfectant Refill 2 5 LRefill for Sole Cleanse Sole Cleanse is a cleansing spray that protects the sole of the hoof. It helps reduce and prevent unpleasant odours and blackening. Its active ingredients destroy bacterial and fungal microbes and promote the growth of healthy tissue. Sole Cleanse can be used to clean cracks in the white line, the frog, and other crevices of the horse's hoof.