February 2025 in “Advanced Composites and Hybrid Materials” Glutamic acid microneedle patches promote better hair growth than traditional treatments.
401 citations
,
January 2013 in “Postepy Dermatologii I Alergologii” The paper concludes that understanding melanocyte development can help in insights into skin diseases and melanoma diversity.
13 citations
,
July 2019 in “PLoS ONE” Deleting podoplanin in mice promotes hair growth by enhancing cell migration.
8 citations
,
July 2020 in “BMC genomics” The research found genes that change during cashmere goat hair growth and could help determine the best time to harvest cashmere.
2 citations
,
May 2022 in “Stem cell research & therapy” Disrupted stem cell signals in hairpoor mice cause hair loss.
January 2017 in “Jikken doubutsu ihou/Jikken doubutsu/Experimental animals/Jikken Dobutsu” Mice with a changed Hr gene lose and regrow hair due to changes in the gene's activity.
76 citations
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March 2005 in “Journal of Molecular Medicine” Certain mice without specific receptors or mast cells don't lose hair from stress.
42 citations
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September 2000 in “British Journal of Dermatology” Some children are born with unusually short, fine hair because their hair growth phase is short, but this often gets better by itself during puberty.
January 1994 in “Nihon Chikusan Gakkaiho” Collagen fibrils in mink skin change structure during hair growth, becoming looser and thicker in the active phase.
47 citations
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July 1967 in “Science” Not eating enough protein can cause hair roots to shrink and lose color, and hair to become thinner.
18 citations
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March 2016 in “Cosmetics” Telogen Effluvium is a condition causing excessive hair loss due to stress, illness, drugs, or hormonal changes, and can be treated with specific products or naturally resolves after 3-4 years.
January 1991 in “Journal of Pediatric Health Care” Hair loss in children can be caused by fungal infections, trauma, autoimmune disorders, or stress, and treatments vary depending on the cause.
Transplanted rat hair follicles grew hair and had increased but not fully restored nerve connections in mice.
1 citations
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January 1987 in “Journal of The American Academy of Dermatology” The patient's hair loss was likely not caused by beta blockers but possibly by stress or other factors.
September 2022 in “Journal of Case Reports and Medical History” Many new moms lose hair after childbirth due to hormonal changes, but it usually grows back within a year.
1 citations
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January 2012 in “International journal of trichology” Sheep hair follicle cells can grow a lot but need the dermal papilla to do so.
71 citations
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May 1991 in “Clinical and Experimental Dermatology” Young men with male pattern baldness lose hair density over time without treatment.
2 citations
,
October 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” AIRE deficiency causes hair loss similar to alopecia areata in mice.
January 2023 in “Skin appendage disorders” A woman's hair grew back after treatment for a rare hair loss caused by proton therapy.
16 citations
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January 2021 in “Frontiers in veterinary science” Pigs in farrowing crates and loose-housing systems showed no difference in chronic stress levels as measured by hair cortisol.
October 2025 in “Gene Expression” Exosome therapy could be a promising new way to treat hair loss.
56 citations
,
December 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicle cells age faster and lose pigment due to less catalase, causing hair to turn gray.
1 citations
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January 2006 in “Elsevier eBooks” Cats lose fur due to various reasons, including allergies, infections, genetics, hormones, diet, cancer, stress, and some conditions are treatable while others are not.
August 2025 in “Journal of Cosmetic Dermatology” Light-based therapy can help regrow hair in different types of hair loss, but more research is needed.
April 2024 in “Archiv EuroMedica” Platelet-Rich Plasma therapy helps increase hair density and regrowth for some types of hair loss.
1 citations
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January 2018 in “Springer eBooks” The document concludes that scalp cooling and treatments like minoxidil can help manage hair loss from cancer therapy.
81 citations
,
January 2006 in “Journal of cellular physiology” Mice without the vitamin D receptor gene lose hair due to disrupted hair follicle cycles.
3 citations
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October 2003 in “Annals of Oncology” A woman with low thyroid function did not lose her hair during chemotherapy, possibly because her hair follicles were less affected by the treatment.
May 2013 in “Trends in Urology & Men's Health” Male-pattern hair loss is normal, often involves hormone effects on hair follicles, and can be treated with medication or surgery, but new treatments are being researched.
12 citations
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May 2023 in “EMBO reports” High mTORC1 activity slows hair growth and causes it to lose color.