In Zovirax Cold Sore Cream, aciclovir the antiviral active ingredient – is delivered in a specially formulated cream containing an absorption accelerator.This ensures the active ingredient is carried through the skin, over the cold sore, and into the area where the virus is reproducing.Once it reaches this area the active ingredient springs into action – which makes it difficult for the virus to reproduce itself.When that happens your body's natural defences can get to work and make the cold sore disappear.Other ingredients: Dimeticone, Propylene Glycol, Poloxamer 407, Cetostearyl Alcohol, Sodium Lauryl Sulphate, White Soft Paraffin, Liquid Paraffin, Purified Water. The cream also contains ingredients to moisturise deep within the skin to soothe and protect.

Wash your hands before and after treating the cold sore so as to avoid making it worse or giving the infection to someone else. Apply the cream liberally to completely cover the whole of the affected area.Do not touch your eyes until you have washed your hands.Apply to the affected area 5 times daily about every 4 hours. If you forget a treatment apply some as soon as you remember, then continue as before.Continue treatment for 5 days. If your cold sore has not healed after this time, treatment may be continued for up to a further 5 days. If full healing has not occurred after 10 days, or if your cold sore gets worse at any time, consult your doctor.Do not exceed the stated dose.

Zovirax Cold Sore Cream is for external use only. Do not use to treat mouth ulcers.Do not use In the eyes or genital area.Zovirax Cold Sore Cream should not be swallowed.Always read the product information leaflet before using this product.