30 citations
,
August 1993 in “PubMed” IL-1 alpha stops hair follicle growth and hair production.
18 citations
,
October 2018 in “Nutrients” Annurca apple extract promotes hair growth by changing hair follicle metabolism to boost keratin production.
17 citations
,
August 2007 in “Bioorganic & Medicinal Chemistry Letters” A compound made by Pfizer can potentially stimulate hair growth and reduce oil production, making it a good candidate for topical use.
14 citations
,
August 2007 in “Bioorganic & Medicinal Chemistry Letters” The compound (1R,2S)-4-(2-Cyano-cyclohexyl-oxy)-2-trifluoromethyl-benzonitrile can stimulate hair growth and reduce oil production when applied topically.
7 citations
,
January 2001 in “Annales de zootechnie” Melatonin treatment increases wool production and improves fiber quality in angora rabbits.
6 citations
,
April 2012 in “Journal of Oral Pathology and Medicine” Rushton's hyaline bodies form from hair keratin and blood substances.
501 citations
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October 2008 in “Psychoneuroendocrinology” Hair cortisol levels can show increased stress during late pregnancy but only for up to six months.
78 citations
,
October 2012 in “Biomaterials” Larger spheroids improve hair growth, but size doesn't guarantee thicker hair.
75 citations
,
October 2016 in “Genes & Development” Cells in hair follicles help create fat cells in the skin by releasing a protein called Sonic Hedgehog.
November 2025 in “Stem Cell Research & Therapy” Human hair follicle cells can help regenerate hair and reduce inflammation, aiding in hair loss treatment.
Accurate prediction of eye, hair, and skin color in Latin American populations requires region-specific models and ethical guidelines.
The model accurately predicts hair loss severity in alopecia areata.
2 citations
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July 1994 in “Journal of Dermatological Science” Grafted human scalp samples on mice can produce human hair, useful for studying hair genetics.
March 1994 in “Proceedings of the British Society of Animal Production” Angora goats produce more hair faster than Cashmere goats.
286 citations
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June 2012 in “Nature Immunology” Hair follicles help attract immune cells to the skin during stress.
November 2023 in “Animals” Feeding goats more during the non-growing period increases cashmere yield and length.
176 citations
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August 2000 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Hormone treatments in transsexual individuals reduce hair growth and oil production in male-to-females and increase them in female-to-males.
41 citations
,
June 2010 in “Journal of Investigative Dermatology” New cells are added to the hair's dermal papilla during the active growth phase.
30 citations
,
October 2015 in “Journal of Ethnopharmacology” Herbal compounds like ricinoleic acid, quercetin-3-O-rutinoside, and hinokiflavone may be safe and effective for treating hair loss.
9 citations
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March 2019 in “Scientific reports” Temporary ROS production in cultured human hair follicles promotes growth and stem cell activation.
4 citations
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May 1981 in “Australian Journal of Biological Sciences” Rat hair follicle cells can produce and release various glycosaminoglycans over time.
2 citations
,
September 2023 Gaining 5-10 kg during the non-growing period boosts cashmere yield and length in goats.
December 2020 in “Journal of The American Academy of Dermatology” Artificial intelligence can accurately predict hair growth and treatment results in female pattern hair loss patients, with age of onset and duration being key factors.
27 citations
,
January 2010 in “Animal” South American camelids should be sheared early, fleece type affects fiber quality, and the S/P follicle ratio doesn't distinguish between Bolivian llama genotypes.
8 citations
,
August 2020 in “Domestic Animal Endocrinology” Melatonin improved cashmere production in goats during the first cycle but had no lasting effects on the next cycle.
April 2020 in “Research Square (Research Square)” Melatonin treatment improved cashmere production in goats for one cycle without lasting effects on the next cycle.
December 2012 in “Journal of dermatological science” Hair follicles help attract immune cells to minor skin injuries.
170 citations
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January 2010 in “animal” Hair follicle growth and fiber production in animals are influenced by chemical signals, proteins, pigmentation, genetics, and nutrients.
3 citations
,
November 2022 in “International journal of molecular sciences” Bio-pulsed stimulation increases production of beneficial vesicles from bird stem cells that improve skin and hair cell functions.
2 citations
,
January 1994 in “Nihon Chikusan Gakkaiho” Cow colostrum and milk can effectively produce anti-hair keratin antibodies.