Blistex Cold Sore Cream 2gDocosanolBlistex Cold Sore Cream is a clinically proven treatment for the early stages of recurrent cold sores on the lips. It contains docosanol which works differently to other treatments in the early stages of a cold sore.What Blistex Cold Sore Cream Is and What It is Used forBlistex Cold Sore Cream contains the active substance docosanol, an anti-viral. This is for the treatment of early stages of recurrent cold sores on the lips for adults and adolescents (aged 12 years and over).To be effective, treatment with Blistex Cold Sore Cream must start in the early stages of a cold sore before the blisters appear on the lips. Start using Blistex Cold Sore Cream as soon as you get any of the symptoms of a cold sore such as redness, itching, pain, tingling or prickling.Continue using until the cold sore is healed, usually 4-6 days.What Blistex Cold Sore Cream looks like and contents of the packBlistex Cold Sore Cream is a white cream. It is availab