Platelet-rich plasma (PRP) is an autologous blood-derived product that contains a concentration of platelets significantly higher than baseline levels. It is produced from the patient's own blood through a process of centrifugation, which isolates the plasma fraction rich in platelets. PRP is categorized under growth factors due to its high content of platelet-related growth factors. Researchers have explored PRP's roles in various medical fields, particularly in regenerative medicine. It is used in the treatment of musculoskeletal conditions, dermatological applications such as hair restoration and skin rejuvenation, and in surgical procedures including maxillofacial and plastic surgery. The primary physiological roles of PRP involve promoting healing and tissue regeneration, leveraging its growth factors to enhance cellular proliferation, matrix formation, and angiogenesis. Researchers have observed that PRP acts through pathways involving cellular proliferation, inflammation regulation, and collagen synthesis, contributing to tissue remodeling and healing. The pharmacokinetic properties of PRP are not well-documented due to its autologous nature and localized application, making it challenging to define parameters such as half-life or systemic metabolism. Clinically, PRP is used in a variety of medical and aesthetic procedures, with ongoing research into its efficacy and safety. Regulatory standing varies by region, with PRP often considered a medical procedure rather than a drug, thus not requiring traditional drug approval processes.