Before trying anything related to laser therapy I recommend you to do proper research before going to purchase it. You can read Hairmax reviews on Amazon and other eCommerce stores.
A normal range is typically 300 to 1,000 ng/dL, according to the Food and Drug Administration. A blood test called a serum testosterone test is used to determine your level of circulating testosterone. A range of symptoms can occur if testosterone production drastically drops below normal.
I have used it and to be honest this thing didn't work the way I thought it should work. HairMax devices work the same way all other LLLT devices work like Capillus cap, iRestore helmet, and Hairmax band.
They use the low-level medical-grade lasers of wavelength 630 to 670 nanometers. A...