Herpecin L® 30 Lip Protectant/Cold Sore & Sunscreen Lip Balm Stick. Fast acting relief. Real relief from real medicine. Helps treat & relieve: Cold sores. Sun & fever blisters. Chapped lips. SPF 30. Enriched with... Lysine. Vitamins B6, C & E. HL 30. Uses: Helps prevent sunburn on lips. Relieves dry chapped lips. Helps treat and relieve cold sores/fever blisters. 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 relief from cold sores & fever blisters. Chattem®. A Sanofi company. www.herpecinl.com. ©2012.