Hoping to Find Affordable Products for Hair Loss

I have been out of work for a few months now. I have been sending out my resume and have even had a few interviews but have not gotten any call backs. I am only in my late thirties so still relatively young. However, I am worried that I look older and that is why I am not getting call backs. So, now I am hoping to find affordable hair loss products. I do not have a lot of money to spend on something like this, but at the same time I do think that it would be a good investment in myself.