Botulinum Toxin A for Herpes Labialis

Inclusion Criteria: * Males or females between the ages of 18 and 64. * Have herpes simplex virus 1 (HSV-1) with between 2-6 herpes labialis recurrences per year. * Willingness and ability to comply with protocol requirements, including returning for follow-up visits and abstaining from exclusionary procedures for the duration of the study. * Subjects of childbearing potential must have a negative urine pregnancy test result at Visit 1 and be willing able to use an acceptable method of birth control (e.g., barrier methods used with a spermicidal agent, hormonal methods, IUD, surgical sterilization, abstinence) during the study. Women will not be considered of childbearing potential if one of the following is documented on the medical history: * postmenopausal for at least 12 months prior to study drug administration * without a uterus and/or both ovaries * has had a bilateral tubal ligation for at least 6 months prior to study drug administration. * absence of an other physical condition according to the PI's discretion * Willingness and ability to provide written photo consent and adherence to photography procedures (i.e., removal of jewelry and makeup). * Willingness and ability to provide written informed consent prior to performance of any study related procedure. Exclusion Criteria: * Subjects who are pregnant, nursing, planning to become pregnant, and/or not using a reliable form of birth control. * Subjects with a known allergy or sensitivity to any component of the…