Zovirax can stop a cold sore appearing if used at the tingle stage. If the cold sore has already developed use Zovirax Cold Sore Cream to help speed up the healing process by days.
When cold sores attacks, the infection starts deep under your skin. Only Zovirax Cold Sore Cream is specially formulated with the patented MAC-P penetrating Formula. The new improved formula allows Zovirax to get to the site of the infection fast to help speed healing.