Hello! My name is Jessica, I am a physician assistant, and one of the providers at Aesthetic Skin in Winnetka and Chicago. This is a great question. Exosome injections and PRP (platelet-rich plasma) injections are increasingly recognized as effective treatments for male pattern baldness due to their regenerative properties and ability to stimulate hair growth. Both therapies leverage the body’s natural healing mechanisms to address hair loss, though they work through different biological processes. Exosomes are tiny extracellular vesicles derived from stem cells that contain a wealth of growth factors, proteins, and RNA. When injected into the scalp, these exosomes help to enhance cellular communication and promote healing and regeneration in the hair follicles. The growth factors and signaling molecules within exosomes can stimulate dormant hair follicles, boost cellular metabolism, and improve blood flow to the scalp, which in turn can support hair growth and improve hair density. By delivering these regenerative components directly to the affected areas, exosome therapy aims to rejuvenate the hair follicles and restore natural hair growth. On the other hand, PRP therapy involves drawing a small amount of the patient’s blood, processing it to concentrate the platelets, and then injecting this concentrated plasma into the scalp. Platelets are rich in growth factors that are crucial for tissue repair and regeneration. When injected into the scalp, PRP promotes the healing of hair follicles, stimulates hair follicle growth, and increases blood supply to the hair follicles. This rejuvenates the scalp environment and helps to re-activate hair follicles that may be in a dormant state. PRP injections can also improve the thickness and quality of existing hair by encouraging the growth of healthier and stronger hair strands. Both exosome and PRP therapies offer promising options for treating male pattern baldness, especially when used in conjunction with other treatments or as part of a comprehensive hair restoration plan. They harness the body’s natural healing processes to improve hair growth and density, providing a non-surgical alternative for individuals seeking to address hair loss. I hope this helps and best of luck!