Teeth Whitening in a single visit to our salon. Our system produces fast, safe, effective whitening in as little as 20-60 minutes. Each “session” lasts 20 minutes. Most individuals choose 2-3 (20 minute) sessions to get their teeth their very whitest. You can get the smile you’ve always wanted in as little as 20-60 minutes depending on your shade of teeth and the level of brightness you want to achieve.