Zovirax Duo is a cold sore cream clinically proven to help stop a cold sore progressing to a blister. Its unique dual-active formula combines an anti-inflammatory and an anti-viral agent to help prevent the blister and speed up healing time.
Zovirax: Always read the label. Follow the directions for use. If symptoms persist, talk to your health professional. Zovirax Duo: Ask your pharmacist - they must decide if this product is right for you.