This question has a very nuanced answer and is best discussed during an in person consultation with a qualified hair restoration physician. Certainly Kenalog is the gold standard for alopecia areata. PRP is a fairly new therapy and has very limited evidence for its use in AA. If your AA was over...
Neil Verma, HBSc, MD, FCFP - Account Suspended says:
PRP for hair loss involves using your own blood plasma to inject into the scalp. As there is no foreign substance in it there are no side effects from the treatment.