Xtreme Whitening is the recognized leader in the teeth whitening industry or have been since we began in 2008.Our goal is to provide safe, high quality merchandise with the great values.Our merchandise are 100% safe or not harmful to the teeth with"ZERO SENSITIVITY"Takes as little as 20 minutesImmediate resultsLong Lasting up to 2 yearsZero sensitivityProven to be safe or effective