Cyclovax 5% Cream contains acyclovir, an antiviral agent effective against herpes simplex viruses, used to treat cold sores (herpes labialis) on the face or lips./Description: Cyclovax 5% Cream contains acyclovir, an antiviral medication that inhibits the replication of herpes simplex viruses (HSV-1 and HSV-2). It is primarily used to treat recurrent herpes labialis (cold sores) in immunocompetent adults and adolescents aged 12 years and older. Early application at the first sign of an outbreak can reduce the severity and duration of symptoms.. Please Note that product description, color, ingredients, package and other information maybe different from the original pack kindly check the product for more accurate details.