Hair loss is caused by hormonal changes that shorten hair growth phases and shrink hair follicles.
23 citations
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November 2007 in “Actas Dermo-Sifiliográficas” Thyroid hormone (T3) may reverse gray hair by stimulating hair growth.
2 citations
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January 1984 in “Progress in neuro-psychopharmacology & biological psychiatry” Benzodiazepines changed hormone levels but did not affect hair growth in women with idiopathic hirsutism.
More research is needed to understand chemotherapy-induced hair loss and its phases.
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.
210 citations
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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color production in mice is closely linked to the hair growth phase and may also influence hair growth itself.
14 citations
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July 2015 in “Journal of Cosmetic Dermatology” Sebaceous glands in male pattern hair loss patients have more lobules and might cause early hair growth phase shifts.
2 citations
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July 2023 in “International Journal of Molecular Sciences” BFNB could be a promising treatment for hair growth.
105 citations
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December 1998 in “Archives of Dermatological Research” Dermal papilla cells mainly drive blood vessel growth in hair follicles.
The new microneedle system improves hair growth in alopecia treatment.
June 2023 in “Research journal of topical and cosmetic sciences” The polyherbal lotus oil with amla, hibiscus, bhringraj, and methi promotes hair growth effectively, similar to minoxidil.
8 citations
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July 2017 in “Biochemical and biophysical research communications” A new compound, BOI, can help hair grow by changing hair cycle phases and increasing certain cell contents.
Recombinant type XVII collagen may help regrow hair by activating specific cell pathways.
January 2025 in “Arquivo Brasileiro de Medicina Veterinária e Zootecnia” Agoutis in captivity have more resting (telogen) hairs than growing (anagen) hairs, regardless of season or gender.
10 citations
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August 2015 in “Journal of Cosmetic Dermatology” Successful eyebrow restoration can be done using careful hair transplant techniques and choosing the right patients.
January 1992 in “Proceedings of the New Zealand Society of Animal Production” Ferret hair growth starts between 0 and 4 days after melatonin treatment, with cell growth peaking in the hair germ and declining as the hair matures.
November 2025 in “Journal of Investigative Dermatology” CBD can help hair grow by supporting scalp health and reducing inflammation.
7 citations
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October 1988 in “Clinics in Dermatology” Minoxidil can promote hair growth in hairless mice.
1 citations
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January 2017 in “Springer eBooks” The document explains how hair follicles develop, their structure, and how they grow.
January 2024 in “Journal of Cosmetics, Dermatological Sciences and Applications” Injecting a peptide-hyaluronic acid mix improved hair growth in men with hair loss and was safe.
54 citations
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June 1985 in “American Journal of Dermatopathology” Minoxidil helps grow longer, thicker hair in bald scalps of stumptailed macaques, and early treatment is more effective.
107 citations
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December 2013 in “International Journal of Dermatology” The document concludes that hair is complex, with a detailed growth cycle, structure, and clinical importance, affecting various scientific and medical fields.
19 citations
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November 2001 in “Journal of Investigative Dermatology Symposium Proceedings” Human hair follicles can regenerate and recover after severe injury by going through a brief abnormal resting phase before growing again.
Bio-nanovesicles could improve hair and skin regeneration by delivering important molecules to repair and heal.
July 2023 in “Journal of Clinical Medicine” The document concludes that understanding hair follicle histology and the hair cycle is crucial for diagnosing alopecia.
37 citations
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January 1975 in “Journal of Experimental Zoology” Epilation doesn't affect rat hair growth; thyroxine speeds it up, while estradiol slows it down.
1 citations
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July 2020 in “Revista Cereus” Using growth factors with microneedling is effective for treating hair loss.
February 2025 in “Chemico-Biological Interactions” 5-Fluorouracil causes hair loss by blocking signals needed for hair growth.
November 2024 in “Journal of Drugs in Dermatology” Injectable minoxidil is a promising, effective treatment for hair loss.
Different hair growth phases affect how follicles respond to X-rays, and hormones like testosterone and dihydrotestosterone play a key role in baldness; transplanted hair can grow on bald scalp areas.