The only thing I can recommend is that if you plan to do a test run, do it properly. Otherwise if you don’t do it properly you will not be able to make a fair assessment.
Have a read here and if you have any questions after, be sure to ask.
Yes on the hair. Taking testosterone can accelerate your hair loss if you have a predisposition to it.
If you have lab results post them up. The answer to your problem might be elsewhere.