Platelet Rich Plasma [PRP] for hair loss Platelet-rich plasma (PRP) is a procedure that doctors use to accelerate your natural healing processes in various areas of the body and also to restore hair growth. PRP injections trigger natural rejuvenation of hair and maintain it by increasing blood supply to the hair follicle and increasing the thickness of the hair shaft. Self-extracted growth factor Platelets, along with red and white blood cells, are a component of blood. Whe