An Open Label Study to Evaluate the Safety and Efficacy of BOR15001L7 for the Treatment of Cold Sores in Patients With Recurrent Herpes Labialis

Secondary objectives are to: 1. Evaluate the efficacy of BOR1500L7 on: * The reduction of ulcerative lesions rates following the prodromal stage; * The extension of the delay prior to first ulcerative lesions occurence following the prodromal stage; * The decrease of cumulative ulcerative lesions dimensions during papule, vesicles, ulcers/soft and hard crust stages; * The decrease of symptoms intensity (pain, tingling, itching, burning sensation) during prodromal, erythema, papule, vesicles, ulcers/soft crust, hard crust, re-epithelialize stages; * The reduction of symptoms duration (pain, tingling, itching, burning sensation) during the prodromal, erythema, papule, vesicles, ulcers/soft crust, hard crust, re-epithelialize stages in subjects with recurrent herpes labialis; 2. Evaluate the safety and tolerability of BOR15001L7 in subjects with recurrent herpes labialis