With Calamine, Cade Oil & Sulphur - Helps Soothe Irritation - Apply with gentle massage. ExmaRid Ointment is particularly useful for dogs with minor wounds, abrasions or broken skin. Its triple action formula contains Cade oil a natural alternative to coal tar. This non-greasy antibacterial ointment will not cause discomfort when applied to sore areas. ExmaRid will help to relieve irritation and promote a normal, healthy supple skin. Use Biocides Safely. Always read the label and product information before use. Not suitable for use on cats.