Zovirax Cold Sore Cream Pump Triple Pack is currently out of stock, however we offer a great range of alternative products. Zovirax Cold Sore Cream Tube CLICK HERE Fenistil Cold Sore Cream CLICK HERE Compped Cold Sore Patch CLICK HERE For the treatment of cold sores (herpes simplex) of the lips & 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.