 History of underlying photosensitivity condition Skin phototypes V-VI Use of photosensitizing medication History of Accutane use within the past 12 months History of underlying bleeding disorder or use of anticoagulant e.g. coumadin Active smoker Known pregnancy or lactating mother Allergies or reactions to lidocaine or epinephrine Underlying immunodeficiency Inability to comply with study requirements Pacemaker or defibrillator in place 