Zovirax Duo
Clinically proven to help prevent the blister when used early1.
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 when used early.
Where can I find Zovirax?
Click here to find out where it's available in your area.
How to use
Apply Zovirax Duo at the first
tingle to help prevent your
cold sore blister from developing.
Reference:
1. Spruance SL, Stewart JC, Freeman DJ et al. Early application of topical idoxuridine in dimethyl sulfoxide shortens the course of herpes simplex labialis: a multicenter placebo-controlled trial. J Infect Dis. 1990; 161 (2 ): 191-7.