November 2023 in “Cell Biology International” Tiny particles from umbilical cord stem cells may help hair grow back in a type of hair loss.
3 citations
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May 2011 in “International Journal of Dermatology” Using an epidural needle in hair restoration surgery can reduce grafts popping out, make the procedure easier, and result in natural-looking hairlines without obvious scarring.
November 2023 in “Experimental Dermatology” Exosomes from human hair follicle cells can improve aging hair follicle cell function and help regenerate hair follicles.
130 citations
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February 2005 in “Proceedings of the National Academy of Sciences” Corneal cells can transform into skin and hair cells through specific signals.
May 2025 in “International Society of Hair Restoration Surgery” Exosomes show promise for promoting hair growth and treating scalp disorders.
January 2006 in “中华医学杂志：英文版” Cultured skin cells can trigger hair growth and the amount of certain proteins they produce affects their ability to regenerate hair follicles.
40 citations
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June 2013 in “Biomaterials” Scientists created 3D hair-like structures that could help study hair growth and test treatments.
January 2025 in “Case Reports in Dermatological Medicine” Exosome therapy improved hair growth and quality in a child with hair issues.
305 citations
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June 2012 in “Nature” Hair regeneration needs dynamic cell behavior and mesenchyme presence for stem cell activation.
The conclusion is that closing scalp wounds is possible, but restoring hair without donor material is still a major challenge.