You are totally wrong about hair lasers. I am a woman who had been losing her hair for about 4 years. I tried everything. Iwent thru 4 doctors, use of flutamide, proscar, rogaine, special shampoos AND COMBINATIONS THERE OF. Finally my Dr. told me about the laser therapy. He had been following its use for about 3 years but did not want to purchace one until independant studies had been done to prove its' effecacy. Bty I was losing as many as 600 hairs a day at its worst. Luckily I had very thick hair but now you could see the scalp. So I went on it 3 times a week for a month then 2times for a month and now for the last year and a half I go once a week. It totally saved my life. The most hair loss I have is no worse than the normal person. Usually anywhere from 5 to 20 a day. It did not grow much hair(mainly in the temple area though I did get new hair) But I was looking to STOP hair loss. Now that I have been stable for 2 years I have had a hair transplant. I will continue to use the light therapy the rest of my life. I would like to get a good home version though. You have to make sure it is the right wave lenght (670nm) as this is the optimal depth penetration for the hair root. I personally know of many others in the office that although may not have significant hair growth, DEFINATELY had it STOP falling out. And that in it self is a great relief. So don't go talking about things you don't entirely know about. Btw i kept a diary of my hair loss for the entire time I was losing it (haircounts and all) so I KNOW there was an improvement and did not just guess. After use for 2 months is when is stopped falling out.