22 citations
,
June 2012 in “Journal of Investigative Dermatology” Adiponectin may stimulate hair growth and could be a potential treatment for promoting hair growth.
3 citations
,
February 2025 in “Journal of the American Academy of Dermatology” Feminizing hormone therapy increases hair counts and improves hair-related quality of life, while masculinizing therapy may reduce large terminal hairs.
1 citations
,
September 2022 Sugar waxing slows hair growth and reduces thickness but can cause more ingrown hairs and inflammation than hard waxing.
2 citations
,
July 2019 in “Indian dermatology online journal” A 17-year-old girl and her brothers have a rare hair condition with long eyelashes, thick eyebrows, and easily pluckable hair.
1 citations
,
January 2009 in “Elsevier eBooks” The chapter explains why and how women remove unwanted hair, comparing methods like shaving and waxing.
1 citations
,
October 1978 in “The Journal of Pediatrics”
46 citations
,
May 1986 in “Seminars in Reproductive Medicine” Testosterone and dihydrotestosterone affect hair growth, and new techniques like the folliculogram help study it, but fully understanding hair growth is still complex.
September 2024 in “Meditsinskiy sovet = Medical Council” As women age, hair follicles decrease in number and hair width tends to reduce.
March 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Durdhuradi Taila may help promote hair growth and reduce hair loss.
January 2013 in “대한미용학회지” Chamaecyparis obtusa oil promotes hair growth in mice.
Ostrich antibodies can help restore hair growth in people with a specific type of hair loss, increasing hair count by 71% on average.
Hair growth is controlled by cell interactions and influenced by specific growth factors and hormones.
June 2023 in “Clinical and Experimental Dermatology” Gender-affirming hormone therapy changes hair growth in transgender people, with feminizing therapy reducing hair and masculinizing therapy increasing it, but sometimes additional treatment is needed.
4 citations
,
April 2018 in “The journal of pediatrics/The Journal of pediatrics” A 6-year-old girl's inability to grow her hair long was due to Loose Anagen Hair Syndrome, which causes hair to shed easily and may improve with age.
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.
Muscarinic acetylcholine receptors help regulate and promote hair growth.
4 citations
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August 2019 in “General and Comparative Endocrinology” Male yak hair growth is influenced by DHT synthesis, which is promoted by 5α-red1 and AR during growth phases, while E2 may inhibit growth through ERα.
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.
February 2014 in “아시안뷰티화장품학술지” Natural extracts like peppermint and rosemary oils are effective for hair growth and scalp health.
23 citations
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December 2004 in “Differentiation” Sex hormones affect hair and feather growth and may help manage alopecia and hormone-dependent cancers.
51 citations
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November 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Beard cells, unlike scalp cells, produce growth factors in response to testosterone, which may explain differences in hair growth.
30 citations
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July 2010 in “Experimental Dermatology” Polyamines are important for hair growth, but more research is needed to understand their functions and treatment potential.
January 2026 in “Digilib Repository Unila (Lampung University)” Celery essential oil at 2% can effectively promote hair growth.
33 citations
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January 1997 in “Endocrinology” Testosterone can slow down hair growth when combined with certain cells from bald scalps, and this effect can be blocked by an androgen receptor blocker.
January 2015 in “Faculty of 1000 Research Ltd” Androgenetic alopecia may be irreversible due to the detachment of a muscle from hair follicles.
December 2025 in “Pomeranian Journal of Life Sciences” A miner developed extra shoulder hair due to long-term work pressure and inflammation.
30 citations
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March 1996 in “British Journal of Dermatology” 6 citations
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January 1977 in “Archives of dermatological research”
6 citations
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September 2010 in “Animal” Selecting Angus cattle for earlier puberty lowers prolactin levels but doesn't affect hair growth.
2 citations
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October 2017 in “Revista Da Associacao Medica Brasileira” Removing p16INK4a from skin cells can lead to faster and more clumped growth, which might help with hair growth.