Ingredients: Contains 5% w/w Aciclovir, also contains: Dimeticone, Propylene Glycol (E1520), Poloxamer 407, Glycerol Monostearate, Macrogol Stearate 100, Cetostearyl Alcohol, Sodium Laurilsulfate, White Soft Paraffin, Liquid Paraffin and Purified Water. See leaflet for further information.