Herpezol is a natural blend of several oils. There are two types of herpes, herpes type 1, or oral herpes) and herpes type 2, or genital herpes). Herpes may cause cold sores (fever blisters) on the lips and in the mouth. The blister or cluster of blisters often feels tingly and itchy at first, becoming sore later, eventually crusting over and disappearing. An initial episode of herpes may produce fever, malaise, and enlargement of local lymph nodes; recurrences are usually milder but may begin with a brief period of general malaise
