Salon Pro 30 Sec Extreme Hold Lace Wig Bond 1oz EASY TO APPLY, WATERPROOF, AND LONGLASTING (2 TO 6 WEEKS) FOR USE ON FRONTAL AND FULL HEAD Prepare the hair for the process. Use an alcohol swab to remove oil and make-up from the area around the front hairline from one ear to behind the other ear. If applying to a full head, use the alcohol swab around the entire perimeter of the hairline including the back of the neck.