Exosomes are extracellular vesicles secreted by stem cells, which contain mRNAs, micro RNAs, proteins, and DNA.
They can modulate hair growth by increasing beta-catinin mRNA expression and dermal papilla cells in outer root sheath cells.
Exosome treatments have been found to increase hair density and thickness in a pilot study on humans suffering from androgenic alopecia.
Several companies have launched their own exosome products targeting the treatment of hair loss but there is still a lack of standardization making it difficult to determine what exactly is being injected into the scalp.
Exosomes are different from PRP (Platelet Rich Plasma) as PRP consists of white blood cells that release compounds that stimulate healing while exosomes are messenger molecules responsible for intercellular communication.
Here’s more on what Dr. Gary Linkov has to say about exosomes for treating hair loss…