The XL skin marking ink is visible up to 10 times longer than traditional ink skin markers even after prepping with common alcohol-based antiseptics such as ChloraPrep® or Duraprep^TM. The XL, successful in millions of clinical trials, features patent-pending ink that remains visible after prepping patients, allowing clinicians to better see the surgical site as recommended by the Joint Commission Protocol for Correct Site Marking. Additionally, it will virtually eliminate the need for remarking of the patient once theyre in the operating room for plastic surgery procedures.