Herpecin L lip balm: Herpecin L helps treat, protect and relieve cold sores, sun and fever blisters, and chapped lips. It's formulated with lysine, vitamins C, B6, and E, lemon balm and added SPF 30 protection Treat your lips: Herpecin L is the answer to dry, chapped lips, cold sores, sun & fever blisters. Its not waxy, making it easy to apply, giving you better relief from sores & blisters. Real relief from real medicine: Herpecin L soothes, moisturizes and creates a SPF 30 barrier to protect your lips against the sun's harmful UV rays. It does more for a cold sore Spf 30 protection: UV rays can increase your risk of sun cancer, chapped lips, early skin aging & damaged skin can promote the development of cold sores. Herpecin L lip balm can help prevent sunburn Herpecin L for cold sores: Uniquely formulated with dimethicone & lysine, Herpecin helps relieve and protect painful cracking of lips and promotes healing of cold sores without numbing or drying.