Dr. Bitter Sr. has been removing unwanted hair with laser and intense pulsed light since 1995 and brought that expertise to San Francisco in 1998. He and his team of medical professionals performed the FDA clinical trials for hair removal for ESC Medical Systems, now Lumenis, the largest laser manufacturer in the world. Dr. Bitter Sr and his medical team have trained hundreds of physicians and their staff in the process of Permanent Hair Reduction, as well as other laser and cosmetic procedures. Individual results may vary.