Exosome Evidence Index

Studies / Pattern hair loss

Adipose stem cell exosome injections compared with minoxidil for pattern hair loss

Omar MS, Saeed MY, Journal of Sulaimani Medical College, 2025

Better than controlStrength of design, level 3 of 5: Controlled trial

Better than control: The treated group did better than the comparison group on the main measures.

Level 3 of 5: Treated patients were compared with a control: placebo, another treatment, or the untreated side of the face. Most exosome trials at this level are small and short.

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Design
Randomized, open-label, compared with topical minoxidil
People
90 people
Made from
Fat (adipose) stem cells
How it was given
Injected into the scalp

What they found

After 12 weeks, hair thickness and count increased more in the exosome group than with minoxidil. Final average hair diameter was 88.8 µm versus 74.2 µm.

What limits it

Patients and assessors knew who got which treatment, and follow-up was only 12 weeks.

Read the study

Reviewed by Tomaz Mesar, MD. Last reviewed October 2026. No exosome product is FDA-approved for any use. Before you book a treatment

Other studies of pattern hair loss

  1. Better than controlStrength of design, level 3 of 5: Controlled trial

    Exosome formulation with seaweed and Thuja extracts injected for male pattern hair loss

    Amini F et al., Life, 2025. 24 randomized, 20 analyzed. Made from: not stated in the paper.

    At 16 weeks, hair count rose a median of 9.5 hairs in the treated group and 1.5 with placebo. Two treated men had mild scalp irritation that resolved on its own.

  2. Improvement reported, no control groupStrength of design, level 1 of 5: Single case or case series

    Exosomes with fractional picosecond laser for pattern hair loss with a white hair patch

    Lueangarun S et al., Journal of Cosmetic Dermatology, 2024. 1 person. Made from: not stated in the paper.

    Hair regrowth and return of hair color in a 38-year-old man, as summarized by a later trial report.