Acic Cold sore 5% w/w Cream is to be used for the treatment of cold sores. Cold sores are caused by the herpes simplex virus. Directions Apply the cream to the affected area 5 times a day at approximately 4 hourly intervals for 5 days. Contains Each gram contains: Aciclovir 50mg Also contains: Stearoyl macrogolglycerides, Dimeticone 350, Cetyl Alcohol, White Soft Paraffin, Liquid Paraffin, Propylene Glycerol and Purified water. For Cutaneous Use. Do not use in eyes. Storage Instructions Do not store above 25C. Do not refrigerate. Store in the original package. Keep out of sight and reach of children. As with all medicines, please ensure you read the patient information leaflet before taking this item.