What you can expect during the process is that you will first be given safety eyewear to protect your vision from mild. When the process begins, the laser is used to the epidermis by using a small handheld probe. In some cases, each pulse may first be preceded and then followed, by a short pulse of cooling spray. The treatments can last from seconds to an hour, depending on the process and the region being treated. During the process, there is little pain; however, some have noted some pain from the pulse. To help minimize pain during the process, many doctors use a local anesthesia or a local anesthesia that also includes a sedative. The cooling spray that precedes and follows the therapy will also help to minimize pain. Once the surgery is finished, there is little pain.