 - Subjects were not allowed to participate in this study if they were taking cortisone Prednisone, anticoagulant therapy, or any drug known to increase photosensitivity. In addition, during the 12 months preceding the study, subjects were required not to have used isotretinoin Accutane, or applied topical steroids to the site to be treated. Moreover, previous laser or topical medication at the to-be-treated site was not permitted. 