May I use andractim on face to grow a decent beard?

hi I had undergone varicocele vasectomy before 5yeard but now it re occurs I feel more fatigue libido problems decreased limb size seems to be less testosterone in my blood due to that I have only less body hair is that safe to use these drugs I can only do another surgery only after 6 years but I have a physical test with in that time so in order to increase my endurance can I use it