9 citations
,
December 2008 Men with untreated male pattern hair loss continue to lose hair over a 5-year period.
10 citations
,
November 2019 in “Neuroendocrinology” Measuring 17-hydroxyprogesterone in hair can help monitor androgen levels in people with congenital adrenal hyperplasia.
1 citations
,
June 2024 in “Archives of Dermatological Research” Betulin oil doesn't stop hair loss or help regrow hair in hypothyroidism.
February 2026 in “International Journal of Pharmaceutics”
September 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Eyebrow hair transplants in patients with frontal fibrosing alopecia may look good at first but often lose the new hair after a few years.
59 citations
,
February 2019 in “BMC Genomics” Hair length in rabbits is linked to differences in lipid metabolism and cell death.
13 citations
,
March 2020 in “Genes” Disrupting the FGF5 gene in rabbits leads to longer hair by extending the hair growth phase.
6 citations
,
October 2022 in “International Journal of Molecular Sciences” Male mice with FGF5 mutations grow longer hair than females.
January 2026 in “Preprints.org” Four new FGF5 gene variants cause long hair in dogs.
12 citations
,
May 2019 in “Stem cell reviews” Fetal-maternal stem cells in a mother's hair can help with tissue repair and regeneration long after childbirth.
15 citations
,
January 2025 in “Journal of the European Academy of Dermatology and Venereology” Ritlecitinib is effective and safe for treating alopecia areata, promoting significant hair regrowth.
September 2025 in “Digital Commons - RU (Rockefeller University)” FOXC1 is essential for keeping hair follicle stem cells inactive and maintaining their environment for healthy hair growth.
7 citations
,
March 2022 in “Frontiers in Genetics” The research found specific genes that may cause longer hair in Tianzhu White Yak.
December 2025 in “Zenodo (CERN European Organization for Nuclear Research)” SwaLife Hair Bloom Onion Oil strengthens hair and promotes growth.
December 2025 in “Zenodo (CERN European Organization for Nuclear Research)” SwaLife Hair Bloom Onion Oil strengthens and restores hair using onion extract and herbs.
134 citations
,
March 2015 in “Clinical Endocrinology” A new method accurately measures long-term steroid levels in human hair.
3 citations
,
March 2009 in “Hirosaki University Repository for Academic Resources (Hirosaki University)” Hirosaki hairless rats have sparse, twisted hair due to missing hair keratin genes.
1 citations
,
August 2024 in “British Journal of Dermatology” Ritlecitinib effectively promotes hair regrowth in alopecia areata patients, even with extensive hair loss.
July 2021 in “British Journal of Dermatology” July 2025 in “Journal of the European Academy of Dermatology and Venereology” January 2008 in “Medical Entomology and Zoology” 3 citations
,
January 2018 in “Journal of probiotics & health” 1 citations
,
January 2023 in “Chemical Engineering Journal” 143 citations
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January 2013 in “Dermatologic surgery” In-office laser hair removal works well long-term, especially Nd:YAG for darker skin, but home devices need more testing.
33 citations
,
May 2016 in “Translational andrology and urology” Laser hair removal before genital surgery can prevent complications and improve patient satisfaction.
19 citations
,
January 2001 in “Journal of cutaneous laser therapy” The Nd:YAG laser safely reduces facial hair and slows regrowth, with patient satisfaction.
15 citations
,
January 2008 in “PubMed” Laser and IPL hair reduction is effective but requires multiple sessions and ongoing maintenance.
8 citations
,
May 2004 in “Facial plastic surgery clinics of North America” Laser hair removal is now more effective, but the best treatment schedule is still uncertain.
April 2019 in “Archives of aesthetic plastic surgery” Higher fluences in 808-nm diode laser treatments are more effective for axillary hair removal.
10 citations
,
January 2000 in “Journal Of Cutaneous Laser Therapy” Laser hair removal might also work by damaging blood vessels around hair follicles.