Hair should be neat and businesslike, and your nails should be clean and trimmed. Although it may seem hard to believe, many job seekers arrive late for interviews. Allow plenty of time to get ready for, and to travel to, your job interview. You shouldn't arrive at the interviewer's office more than ten minutes in advance. However, if you're driving across town, allowing yourself an extra ten minutes probably isn't enough.
Interviews are important enough to build in a little extra time.
Sometimes the interviewer will be running behind schedule. Interviewers are often pressured to see a lot of candidates and to fill a demanding position quickly. So be sure to come to your interview with good reading material to keep yourself occupied and relaxed. Hand A briefcase or leather-bound folder, if you have one, will help complete the professional, polished look you want to achieve. The first minutes of the interview are the most important.