16 citations
,
October 2019 in “Biological & Pharmaceutical Bulletin” Houttuynia cordata extract may help hair grow by improving cell survival and increasing cell growth.
April 2024 in “International journal of clinical trials” SesZen-Bio™ improves hair density, thickness, and overall hair health.
6 citations
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March 2019 in “Medical science monitor basic research/Medical science monitor. Basic research” VEGFR-2 is active in hair follicles, sebaceous glands, sweat glands, and skin on the human scalp.
January 2008 in “Bradford Scholars (University of Bradford)” Alopecia areata may be caused by antibodies targeting specific hair follicle proteins, hindering hair growth.
28 citations
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November 1987 in “Journal of the American Academy of Dermatology” The model successfully grew and differentiated hair follicle cells in the lab.
July 2024 in “Journal of Investigative Dermatology” Human hair follicles have their own thyroid hormone system.
3 citations
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January 2012 in “Elsevier eBooks” The document says that there are treatments for hair and nail diseases.
March 2025 in “Journal of Cosmetic Dermatology” Thermus thermophilus extract improves hair growth and scalp health in men with hair loss.
October 2023 in “Current Issues in Molecular Biology” The YH complex, made from Astragalus membranaceus and Cinnamomum cassia, may help treat hair loss by promoting hair growth and follicle development.
November 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” The study found markers indicating that cells responsible for hair color are differentiating in specific areas of the hair follicle.
3 citations
,
June 2006 in “Expert Review of Dermatology” The document concludes that hair loss is complex, affects many people, has limited treatments, and requires more research on its causes and psychological impact.
226 citations
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September 2001 in “Journal of The American Academy of Dermatology” Hair loss in women is genetic, diagnosed by examination and biopsy, and treated with minoxidil, finasteride, or transplantation.
66 citations
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June 2018 in “International Journal of Women's Dermatology” No cure for female pattern hair loss, but various effective treatments exist.
61 citations
,
January 2013 in “Indian Journal of Dermatology, Venereology and Leprology” Hair usually grows back 1-3 months after treatment for anagen effluvium, and children with Loose Anagen Hair Syndrome often improve by adolescence.
29 citations
,
September 2012 in “Dermatologic Clinics” Hair disorders are caused by a complex mix of biology, genetics, hormones, and environmental factors, affecting hair growth and leading to conditions like alopecia.
14 citations
,
September 2016 in “Journal of Cutaneous Pathology” The document concludes that new methods improve the accuracy of diagnosing scalp alopecia and challenges the old way of classifying it.
3 citations
,
January 2021 in “Applied sciences” Fermented red ginseng and a traditional herb mix improved hair growth in mice.
March 2024 in “Journal of functional foods” Collagen peptides from marine and bovine sources may help prevent hair loss by affecting hair follicle stem cells differently.
5 citations
,
August 2012 in “Journal of Dermatology” Tamoxifen may cause female hair loss by increasing androgen receptor expression.
November 2025 in “Journal of Investigative Dermatology” CBD can help hair grow by supporting scalp health and reducing inflammation.
450 citations
,
January 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color is determined by melanin produced and transferred in hair follicles.
6 citations
,
February 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” A new model using mice with human hair follicles helps better understand hair loss from chemotherapy.
4 citations
,
December 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Human scalp hair follicles can produce hormones and have a system similar to a brain-body communication network.
25 citations
,
June 2022 in “Developmental cell” Overactivating Hedgehog signaling makes hair follicle cells in mice grow hair faster and create more follicles.
40 citations
,
April 2006 in “Journal of the European Academy of Dermatology and Venereology” The Trichoscan system was found to be inaccurate for measuring hair growth, needing better software to be useful.
38 citations
,
December 2011 in “British Journal of Dermatology” Menopause-related hormonal changes affect hair but are not the only cause of hair changes in middle-aged women.
26 citations
,
March 1986 in “Clinical and Experimental Dermatology” Scalp hair grows at 0.37 mm/day, forearm hair at 0.18 mm/day, and thigh hair at 0.30 mm/day, with no significant differences found in people with certain hair conditions.
23 citations
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January 2002 in “Journal of Cutaneous Medicine and Surgery” Finasteride helps hair growth by decreasing cell death in hair follicles.
21 citations
,
October 2009 in “Biochemical Engineering Journal” Stem cell therapy is a promising approach for hair regrowth despite potential side effects.
12 citations
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May 2012 in “Endocrinology and metabolism/American journal of physiology: endocrinology and metabolism” Human scalp hair follicles can be used to study how prolactin affects hair growth and cell death.