Zovirax Duo is a cold sore cream Clinically proven to help prevent a cold sore blister forming*. 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 Duo is a breakthrough cold sore treatment.
Zovirax Duo Cold Sore Cream has a dual-active, anti-viral + anti-inflammatory formula that can help stop cold sore blisters from emerging. Use to treat the early signs and symptoms (e.g. tingling, itching or redness) of cold sores to reduce the chance of a cold sore progressing to a blister.