Eucalyptus oil fights respiratory infections by killing bacteria, viruses, and fungi. Eucalyptus oil works by bringing a cold or warm sensation that takes your mind off the pain. Eucalyptus Oil is used to treat wounds and prevent infection. Eucalyptus oil helps to reduce pain and inflammation associated with many conditions. It may also be helpful to people experiencing back pain or those recovering from a joint or muscle injury. Its soothing and calming effects reduce stress, which is often stated as one of the common causes of hair loss. It provides the nourishment needed for healthy hair growth.