September 2025 in “Journal of Dermatology Research and Therapy” Verteporfin with dermal wounding may boost hair regrowth in thinning areas but not in bald spots.
October 2013 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” FGF9 from certain T cells helps create new hair follicles during wound healing, which could potentially be used for hair loss treatments.
June 2013 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” A substance called FGF9 from certain immune cells can trigger new hair growth during wound healing in mice, but humans may not have the same response due to fewer of these cells.
June 2013 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” FGF9 from certain cells can trigger new hair growth during wound healing, but humans have fewer of these cells, which may limit hair regrowth.
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September 2005 in “The American journal of pathology” Activin helps skin growth and healing mainly through stromal cells and affects keratinocytes based on its amount.