Can I use PRP and ACELL for thinning hair? Does Acell prolong PRP? is ACELL+RPR series of PRP? how about allergy and shock loss?

As long as your healing is going well with your rhinoplasty and there are no infection or healing concerns, PRP injections in the scalp should have no affect on your nose.

Finasteride works by inhibiting DHT formation. PRP has multifactorial growth factors and cytokines. Combining the two are synergistic. In my experience, finasteride will not maintain PRP by itself.. However, I have found that the spacing between treatments can often be extended. Monitoring hair ...

It depends on your definition of no hair follicles or use of the word "bald".  If you are using the phrase "no hair follicles" to mean lack of terminal hairs, the answer is yes.  PRP can stimulate vellus hairs as stated below.  If there are no terminal or vellus hairs present, its unlikely (not ...

The study performed with the Eclipse system used the injection technique.  Most physicians use the injection technique now.  The microneedle technique makes sense and is certainly an option, but there is no study that I am aware of which directly compares the two techniques to see which is better.

This needs an in-person evaluation. I suggest seeing a hair loss expert now to evaluate and go over your condition and provide you information about your best treatment options. There are great non-invasive options like prp/progesterone and/or hair transplantation. See an expert. Best, Dr. Emer

Based on what you are saying, this is a common reason to undergo beard transplant.  I would suggest posting some photos of the area to give us a better idea.  Other options include micropigmentation or combination of the two.  PRP would likely not work in this situation.