May 2007 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Hair can regrow in adult mice's skin after injury, and this process can be boosted by increasing Wnt7a, a protein. This could potentially help treat baldness and change our understanding of hair growth.
57 citations
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May 2007 in “Nature” Adult mice can grow new hair from skin wounds.
September 2012 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Scientists successfully created fully functional hair follicles using bioengineering methods and stem cells.
February 2024 in “Frontiers in physiology” Modifying certain signals in the body can help wounds heal without scars and regrow hair.
10 citations
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September 2018 in “Regenerative Medicine” New hair can grow from large wounds in mice, but less so as they age, involving reprogramming of skin cells and specific molecular pathways.
3 citations
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October 2023 in “Military Medical Research/Military medical research” Regulatory T cells help heal skin and grow hair, and their absence can lead to healing issues and hair loss.
23 citations
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April 2002 in “Journal of the American Academy of Dermatology” Depigmented hair regrowth after alopecia areata can be permanent.
January 2012 in “Elsevier eBooks” New treatments for skin and hair repair show promise, but further improvements are needed.
April 2018 in “Radiotherapy and Oncology” Prostaglandin helps regenerate hair follicles after radiation damage.
August 2025 in “Biomaterials” A new therapy using secretions from fetal cartilage cells shows promise for safe and effective hair regrowth.
49 citations
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March 2014 in “Journal of Investigative Dermatology” Using the drugs AMD3100 and Tacrolimus together greatly improves skin healing and hair growth after a deep skin cut by increasing stem cells in the wound.
3 citations
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January 2021 in “Plastic and Aesthetic Research” Hair loss reduces hair thickness and coverage, but drug treatments mainly revive dormant hairs rather than reverse thinning; patients often undervalue their hair loss severity.
December 2024 in “Highlights in Science Engineering and Technology” Stem cells show promise for hair regrowth, but challenges remain.
6 citations
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January 2023 in “npj regenerative medicine” Transplanting growing hair follicles into scars can help regenerate and improve scar tissue.
July 2025 in “Journal of Investigative Dermatology” Laser treatment boosts hair growth by activating a key growth factor.
April 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” M2 macrophages help hair regrowth in wounds by making growth factors.
154 citations
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November 2017 in “Development” Fibroblast Growth Factors (FGFs) are important for tissue repair and regeneration, influencing cell behavior and other factors involved in healing, and are crucial in processes like wound healing, bone repair, and hair growth.
7 citations
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May 2013 in “PubMed” A new hair loss treatment with two unique ingredients improved hair growth.
November 2022 in “Regenerative Therapy” Advancements in tissue engineering show promise for hair follicle regeneration to treat hair loss.
Reducing nerve growth can help skin regenerate after birth.
January 2022 in “Stem cell biology and regenerative medicine” The document concludes that hair follicle regeneration involves various factors like stem cells, noncoding dsRNA, lymphatic vessels, growth factors, minoxidil, exosomes, and induced pluripotent stem cells.
June 2020 in “Journal of Investigative Dermatology” Tiny particles from skin cells can help activate hair growth.
3 citations
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May 2017 in “British journal of dermatology/British journal of dermatology, Supplement” Certain cells around hair follicles help improve skin regeneration for potential use in skin grafts.
January 1953 in “The Lancet” Cortisone may help hair regrow by altering the local environment, with regrowth starting 3-4 weeks after treatment, but its use is not widely recommended.
November 2025 in “Advanced Science” The treatment using a special hydrogel shows promise for promoting hair growth.
2 citations
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May 2019 in “Advances in wound care” Blood-derived CD34+ cells speed up healing, reduce scarring, and regrow hair in skin wounds.
September 2022 in “Journal of Theoretical Biology” Hair follicles can regenerate after radiation damage but not during a specific growth phase.
5 citations
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December 2021 in “Journal of Investigative Dermatology” Hedgehog signaling in certain cells is crucial for hair growth during wound healing.
56 citations
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May 2017 in “Nature Cell Biology” Hair can regrow after certain stem cells are lost because other stem cells can take over their role.
1 citations
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January 2019 in “Journal of pharmacy & pharmacognosy research” The flavonoid-rich extract of Equisetum hyemale can help regrow hair in cases of alopecia.