Exosomes or PRP for thinning hair?
Medically reviewed by
Balvant Arora, MD, MBA, Medical Director, Board-Certified Plastic Surgeon
Last reviewed: September 2026
PRP uses growth factors concentrated from your own blood, and it has more clinical research behind it for pattern hair loss. Exosomes are tiny vesicles taken from lab-grown donor cells. They’re newer, the human data is much thinner, and no exosome product is FDA-approved. Both work best on thinning hair where the follicles are still alive. Where the follicles are gone, a SmartGraft transplant is what actually adds hair.
Side by side
| PRP | Exosomes | |
|---|---|---|
| Source | Your own blood, spun to concentrate platelets | Vesicles from cells grown in a lab. Sources vary by product |
| Research | Multiple controlled trials and reviews in pattern hair loss show modest density gains | Small, early studies. Protocols not standardized |
| Regulatory status | Uses your own blood, processed with FDA-cleared devices | No FDA-approved exosome product for any use |
| Typical plan | About 3 sessions, 4 weeks apart, then maintenance every 4 to 6 months | Varies by product |
| Downtime | Scalp tenderness for a day or two | Similar |
Who is a candidate
Either option fits people who are thinning but not bald: a widening part, a see-through crown, or early recession where hairs are getting finer. Some situations need a different workup first.
- Sudden shedding after pregnancy, illness, or a crash diet often recovers on its own. We may treat it, but we’ll tell you if waiting is reasonable.
- Patchy round bald spots can point to alopecia areata, which is a different condition with a different plan.
Pair it with the basics
Topical or oral minoxidil and prescription finasteride have the strongest evidence for pattern hair loss. Injections work alongside them. They don’t replace them. Most successful plans combine a daily medication with in-office treatment.
When SmartGraft is the better move
If an area is smooth and shiny, the follicles there aren’t coming back with injections. SmartGraft moves healthy follicles from the back of your scalp to the thinning area, one at a time, without a linear scar. It needs a stable donor area, and it pairs well with PRP to protect the hair you still have.
Questions to ask about any exosome treatment
- Which product is it, and who makes it?
- What cells or tissue does it come from?
- How is it tested for sterility and consistency?
- What human data exists for hair?
A practice offering exosomes should answer each of these plainly. The practice’s founder, Dr. Shalini Gupta, is a Harvard-trained dermatologist with a photomedicine fellowship. Our team talks through the evidence for each option before recommending one.
Sources
- U.S. Food and Drug Administration. Public Safety Notification on Exosome Products. December 2019.
- Published controlled trials and systematic reviews of PRP for androgenetic alopecia.
Common questions
How soon will I see results?
Hair grows slowly. Less shedding can show up within a couple of months. Visible density changes usually take 4 to 6 months.
Is PRP painful?
The scalp is numbed first. Most people describe pressure and tenderness, not sharp pain.
Do results last?
Pattern hair loss keeps progressing. Maintenance sessions and daily treatment help hold results.
Exosomes for Hair Restoration is performed at The Dermatology, Laser & Vein Center in Cincinnati under the direction of Balvant Arora, MD, MBA, our medical director and a board-certified plastic surgeon. A consultation is the best way to find out what is realistic for your skin.
This is general information, not medical advice. Candidacy and treatment planning are determined by a licensed provider at consultation.