prp

What Is Platelet-Rich Plasma (PRP)?

Platelet-rich plasma (PRP) is a regenerative technique created from a patient’s own blood. Because the material comes directly from the individual receiving treatment, it is considered an autologous therapy. While platelets are widely known for their role in blood clotting, they also contain important growth factors and signaling proteins involved in the body’s natural response to injury.

How PRP Is Prepared

The process begins with a routine blood draw, similar to standard laboratory testing. The sample is placed in a centrifuge, which spins at high speed to separate the blood into layers based on density. This allows the plasma portion containing a higher concentration of platelets to be isolated.



The resulting solution is enriched with the biologic components platelets release when activated. This concentration of growth factors is why PRP has become widely utilized in both medical and aesthetic settings.

How PRP Is Being Studied

Once administered, PRP is being studied for how it may support tissue environments through growth factor release and cellular signaling. Researchers are evaluating its potential role in:


  • Joint and soft tissue support
  • Recovery from overuse
  • Hair restoration
  • Skin rejuvenation

Because PRP works by amplifying the body’s naturally occurring elements, outcomes may vary depending on an individual’s overall health and platelet quality.

PRP vs. Stem Cell Therapy

PRP is distinct from stem cell therapy. Although small numbers of stem cells may be present in circulating blood, the concentration within PRP is not sufficient for it to be classified as a stem cell treatment. Its primary activity comes from platelet-derived growth factors rather than living regenerative cells.


Compared to other biologic options, PRP contains a more limited range of signaling molecules. For this reason, treatment plans often involve a series of sessions. In some protocols, PRP may be used alongside other biologic therapies, where it is sometimes described as providing a supportive matrix or scaffold that may help optimize the local tissue environment.

Clinical Use and Regulation


PRP procedures can be performed in various ways depending on the therapeutic objective. Most commonly, the preparation is delivered through targeted injections to specific tissues, guided by anatomical landmarks or imaging when appropriate.



As with other regenerative technologies, PRP applications are regulated by the U.S. Food and Drug Administration but are not approved to diagnose, treat, or cure disease. Research continues to evolve, and results differ among individuals based on numerous biologic factors.


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