Exosomes are tiny nano-sized particles (known as extracellular vesicles) that are released by cells. They play an important role in cell-to-cell communication by carrying proteins, lipids, genetic material, and other biological signals between cells.
Early laboratory and animal studies have suggested that exosomes may have regenerative properties, including stimulating fibroblast activity, increasing collagen production, and reducing inflammation. Because of these findings, exosome-containing products are increasingly being marketed around the world as treatments for skin rejuvenation, pigmentation, skin texture, hair loss, and anti-ageing.
These products are commonly applied with microneedling or injected directly into the skin.
A Major Safety Concern
Despite the growing popularity of exosome therapies, there are currently no FDA-approved exosome products for any skin indication. Regulatory authorities, including the U.S. Food and Drug Administration (FDA), have issued multiple warnings regarding the use of unapproved stem cell and exosome therapies.
Consumers are often led to believe that these treatments are natural, cutting-edge, and low risk. However, there is still limited information regarding their long-term safety, biological behaviour, and potential complications.
A Published Case of Serious Adverse Reaction
A recently published medical case report described a 46-year-old woman who underwent exosome treatment at a medical spa. The exosomes were administered through both microneedling and injection.
Within days of treatment, she developed multiple itchy lumps throughout all of the treated areas.
Initially, the spa managed her with observation, red-light therapy, and topical masks. Unfortunately, her condition did not improve.
She subsequently sought medical attention. A skin biopsy revealed:
- Granulomatous inflammation
- Foreign body reaction
- Hypersensitivity reaction
- Early scarring changes
The patient required treatment with oral corticosteroids, topical steroid medications, and multiple steroid injections directly into the affected areas.
This was not a minor reaction. It represented a significant inflammatory response requiring medical intervention and carried the potential for long-term cosmetic consequences.
Why we Remain Concerned
We continue to urge caution regarding exosome therapies for skin rejuvenation.
Many exosome products are derived from human donor tissues or cells. This means they may contain biological material, proteins, signalling molecules, and genetic fragments originating from another individual. While manufacturers claim purification and safety processes, the long-term effects of introducing these materials into the skin are not yet fully understood.
Important unanswered questions remain:
- - What are the long-term effects of repeated treatments?
- - Could certain individuals develop immune or inflammatory reactions?
- - Are all commercially available products manufactured to the same standards?
- - How consistent are the contents of different exosome preparations?
- - What risks may emerge years after treatment?
At present, there is insufficient high-quality clinical evidence to confidently answer these questions.
My Advice
Exosome treatments have become fashionable and are heavily marketed, but popularity should never be confused with proven safety.
If your goal is to stimulate collagen production, improve skin quality, or support tissue repair, I believe there are safer and better-established options available.
One example is Platelet-Rich Plasma (PRP), which uses growth factors obtained from your own blood. Because PRP comes from your own body, the risk of allergic, foreign-body, or donor-related reactions is significantly reduced.
When considering any regenerative treatment, I encourage patients to ask an important question:
“Do we have sufficient evidence to prove both safety and effectiveness?”
With exosome therapies, that question has not yet been adequately answered.
Seeking an Independent Medical Opinion
Many patients are attracted to new treatments because they are presented as innovative, natural, or revolutionary. However, medical history has repeatedly shown that some therapies become widely adopted long before their risks are fully understood.
Before proceeding with any regenerative treatment, it is important to understand not only the potential benefits but also the uncertainties, limitations, and possible long-term consequences.
If you are considering exosome therapy and would like an independent medical opinion, we would be pleased to discuss the current evidence, known risks, and available alternatives. My role is not to sell a treatment, but to help you make an informed decision based on science, safety, and your individual circumstances.
WARNING - any clinic offering Exosome treatments have not examined the safety of the procedure and are following fashion, not science. . BEWARE !
Your skin and your health deserve careful consideration—not marketing hype.
See us at Skinfresh 0800SKINHEALTH
BOOKINGS https://www.skinfresh.co.nz/book-an-appointment
