SPF 30. Lip protectant & sunscreen/cold sore lip balm stick. Fast acting relief. Real relief from real medicine. Helps treat, protect & relieve cold sores; sun & fever blisters; chapped lips. Enriched with: lysine; vitamins B6, C & E; lemon balm. Herpecin L is today's answer to cold sores, sun & fever blisters, and dry, chapped lips. It's easy to apply and promises to give you better relief from cold sores & fever blisters.