Early Molecular Changes in Vitiligo After Narrowband Ultraviolet Therapy

Inclusion Criteria: * Adults 18 years or older with bilateral symmetrical vitiligo lesions, in general good health as determined by the Principal Investigator by medical history and physical exam. * Able to understand consent procedure * Able to comply with protocol activities Exclusion Criteria: * Patients less than 18 years old * Patients not able to understand consent procedure * Patients unable to comply with protocol activities * Non-English speakers: the study assessments/questionnaires/evaluations are not scientifically validated in languages other than English. * Patients with a photosensitive disorder or on a medication which has been demonstrated in these patients to cause photosensitivity * Patients receiving concomitant phototherapy to test sites * Patient receiving topical medication to test sites within 2 weeks of study initiation * Patient receiving oral medications for vitiligo within 4 weeks prior to study initiation * Receipt of an investigation agent within the past 4 weeks (or within 5 half lives) prior to study initiation * Pregnant or nursing patients (self-reported) * Patient with significant medical history or concurrent illness that the investigator feels is not safe for study participation, including melanoma * Presence or suspicion of bleeding disorder or diathesis which would complicate biopsy. * Patients with history of excessive scar or keloid formation in the past 10 years * Patients with known allergy to anesthetic used * Subjects with a pac…