Cold sores and fever blisters are caused by herpes simplex virus type 1 (HSV-1) and can be transferred from person to person by saliva (either directly or by drinking from the same glass or cup, or by skin contact. Cold sores usually appear as clusters of tiny blisters on the lip. Here is a list of 10 essential oils that will help alleviate the pain and irritation of those bothersome cold sores.
