Zovirax® speeds healing to get rid of cold sores with its MAC- P Penetrating Formula. Zovirax® is an effective anti-viral treatment that can be applied at the tingle or blister stage. Zovirax® PUMP allows a clean, controlled application.

Directions for use: At the first sign of a cold sore (either a tingle or a blister) apply a small amount of Zovirax® to the affected area five times a day for 4 days.
If symptoms persist, seek further medical advice.

Active ingredient: Aciclovir 5%