For the treatment of cold sores (herpes simplex) of the lips and face. Clinical studies show that early treatment (at the tingle phase)with Zovirax can stop a cold sore appearing. If your cold sore has already appeared then treatment with Zovirax can speed up the healing process. Easy rub-in formula.
2 gr ( the usual)
use it quite often, esp during this time of year... extremely helpful.
5.99 £ at Boots f.e.
don't know how long the offer is available for ...sorry