Effective treatment for recurrent herpes labialis (cold sores). KEY FEATURES: ‣ Contains aciclovir, a herpes simplex virus inhibitor. ‣ Speeds up healing of cold sores. ‣ Reduces symptoms like tingling, pain, and itching. ‣ Suitable for use by adults and adolescents. ACTIVE INGREDIENTS: Aciclovir 5% w/w