January 2021 in “Figshare” Metformin helps regenerate hair follicles in lab conditions.
April 2018 in “Journal of Investigative Dermatology” Older hair follicle stem cells have a reduced ability to renew themselves, leading to more hair loss.
April 2018 in “Journal of Investigative Dermatology” Researchers found that the Leptin receptor is a consistent marker for hair follicle dermal cells, which may help future hair research.
October 2024 in “Biology” Dermal papilla cells can help regrow hair and are promising for hair loss treatments.
May 2024 in “Journal of Advanced Research” Communication between blood vessel and hair follicle cells decreases with age, affecting hair growth and blood vessel formation.
August 2023 in “Scientific reports” Human stem cells were turned into cells similar to those that help grow hair and showed potential for hair follicle formation.
May 2023 in “Stem cell research & therapy” New method efficiently isolates hair growth cells from newborn mouse skin.
May 2020 in “Research Square (Research Square)” Researchers found four key stages of cell development that are important for hair growth and shedding in cashmere goats.
April 2018 in “Journal of Investigative Dermatology” Obesity can weaken the skin's ability to fight infections because fat cells stop and reduce the infection-fighting properties of nearby stem cells.
January 2018 in “Belarusian State Pedagogical University repository (Belarusian State Pedagogical University)” Adipose-derived stem cells can be used to create cells that help grow new hair.
September 2016 in “Journal of dermatological science” Human induced pluripotent stem cells can be used to create cells that help grow hair.
Tissue from dog stem cells helped grow hair in mice.
February 2001 in “Chinese Journal of Dermatology” Epidermal growth factor (EGF) boosts the growth of hair follicle cells.
December 2025 in “Preprints.org” Aging dermal papilla cells can be reprogrammed for potential hair growth and skin repair.
December 2025 in “Animals” TGFBR1 slows down cell growth in fine-wool sheep hair follicles.
April 2022 in “Research Square (Research Square)” Researchers created a stable rabbit cell line for hair research that doesn't age quickly or become cancerous.
June 2014 in “Biotechnology and Bioprocess Engineering” Injecting lab-grown hair cells into the scalp can regrow hair.
January 2022 in “Stem cell biology and regenerative medicine” Dermal sheath cells can help grow new hair follicles and show promise in treating hair loss.
211 citations
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April 2013 in “Development” More dermal papilla cells in hair follicles lead to larger, healthier hair, while fewer cells cause hair thinning and loss.
190 citations
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October 2002 in “The FASEB journal” Androgens may cause hair loss by increasing TGF-beta1 from scalp cells, which inhibits hair cell growth.
141 citations
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November 2007 in “Journal of Investigative Dermatology” Balding cells age faster due to stress, suggesting stress-targeting treatments for hair loss.
58 citations
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March 2019 in “Experimental Dermatology” Exosomes from human skin cells can stimulate hair growth and could potentially be used for treating hair loss.
48 citations
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April 1995 in “PubMed” Testosterone helps beard and axillary hair cells grow by releasing growth factors from dermal papilla cells.
44 citations
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June 2009 in “Biomaterials” Skin cell clumping for hair growth is improved by a protein called fibronectin, which helps cells stick and move better.
41 citations
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June 2010 in “Journal of Investigative Dermatology” New cells are added to the hair's dermal papilla during the active growth phase.
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.
37 citations
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January 2022 in “Frontiers in Genetics” Aging reduces dermal sheath cells, affecting youthful skin appearance.
36 citations
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April 2016 in “Biochimie” A substance called epidermal growth factor helps increase the growth of important hair follicle cells by activating a specific cell communication route.
34 citations
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March 2009 in “British journal of dermatology/British journal of dermatology, Supplement” Vitamin C derivative helps hair grow longer by making cells produce a growth factor through a specific cellular pathway.
32 citations
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February 2002 in “Veterinary Dermatology” Canine dermal papilla cells and fibroblasts have distinct growth patterns and protein expressions.