It is difficult for me to determine the timing history of your PRP injections. The protocol that has been validated in the journal Dermatologic Surgery, includes monthly injections for 3 to 4 months followed by a maintenance Of injections every 3 to 4 months.. When looking at your crown, it seems that you have some improvement. Have your hair loss expert determine if the density of your hair has increased. In addition you can add oral or topical minoxidil, finasteride, nutraceuticals and low level laser to improve the effects of PRP. We believe that the subdermal depot injection technique (Rapaport) produces verifiable results. Find a PRP expert. Ask to see photos.