AT NATIONAL HAIR CENTERS, we have helped thousands of Phoenix, Arizona area men and women suffering the devastating effects of hair loss, baldness, and thinning hair. National Hair Centers is a full service hair loss treatment, replacement and restoration center, providing both surgical and non-surgical hair restoration and replacement solutions.Established in 1975 by Arnold Zimmerman in Phoenix, Arizona, National Hair Centers is the most experienced hair loss replacement facility in Arizona. We are proud to say ours is the largest hair loss replacement and transplant facility of its kind anywhere. We are also the only hair replacement company in the world that offers every existing method of hair restoration, including medical and non-medical hair loss replacement and restoration technologies as well as the latest revolution.