It is certainly your right to say that hair analysis doesn't work, but there are many of us who say the opposite. If you are interested in reading testimonials from those who have recovered their health, go to www.drlwilson.com. He has helped many people over a long time period, and he himself recovered from very poor health via the principles he espouses using hair mineral analysis as the starting point.
While I'm not well yet, I am certainly much better than when I began. I do hair tests every 6 months and make supplement changes based on them. Also using detox procedures, especially coffee enemas, has been significant in my health progress. Adhering to the slow oxidizer diet is also very important as well as getting plenty of rest.