PRP has been incorporated into dentistry, orthopaedics, cardiac surgery and aesthetic medicine for many years, but has remained subject to debate around the level of evidence to support its use. Due to the lack of standardisation of methodology and varied quality of the PRP extracted from the blood, it has been very difficult to assess the efficacy.
The good news is that there have recently been an increasing number of publications demonstrating benefit, particularly in the field of dermatology and hair loss. In March 2019, The American Academy of Dermatology published their agreement that there is evidence for use of PRP in conjunction with Microneedling to provide “a safe, effective hair loss treatment that has the potential to greatly improve the quality of life of millions of people.”
There are many different methods for the preparation and administration of PRP, and not all systems have been proven to be safe and effective. You need to be discerning about the techniques used by your practitioner, and you should take the time to discuss this with your doctor at your initial consultation.