New Herpecin L Pain Relief with Lidocaine provides triple action relief of cold sores and fever blisters. This maximum strength targeted spot treatment starts working instantly to numb cold sore pain and itch, protect against infection, and help prevent painful cracking. Maximum strength lidocaine targets and numbs cold sore and fever blister pain and itch at the source and starts working on contact. A soothing skin protectant helps prevent painful cracking and re-opening while keeping the cold sore moisturized. Maximum strength antiseptic helps keep the cold sore from getting infected. No burning or irritation. Goes on clear. Triple-action relief for cold sores and fever blisters: numbs pain and itch, protects against infection, and helps prevent crackingMaximum strength lidocaine targets and numbs cold sore pain and itch at the sourceSoothing skin protectant helps prevent painful cracking and re-opening while keeping the cold sore moisturized