1 citations
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November 2022 in “Nutrients” Hair glucocorticoid levels and gut bacteria are linked to growth rates in piglets.
1 citations
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January 2017 in “Yonsei Medical Journal” Hair is thinner near the scalp in acute hair shedding conditions.
6-Gingerol can slow down hair growth by affecting certain proteins.
November 2009 in “Hair transplant forum international” Dr. Bernard Cohen created a new system to classify hair loss using numbers and a detailed scalp map.
417 citations
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March 1991 in “American Journal of Psychiatry” Most adult chronic hair pullers are women who started in their early teens, often have other mental health issues, and may pull hair due to underlying psychiatric conditions.
89 citations
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April 2020 in “Advanced Healthcare Materials” MSC-laden hydrogels enable scarless wound healing with hair growth.
82 citations
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January 1997 in “Forensic science international” Drugs can be incorporated into hair based on their chemical properties and hair pigmentation.
57 citations
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June 2003 in “American Journal of Physiology-cell Physiology” Cyclosporin A helps mice grow hair by blocking a specific protein activity in skin cells.
44 citations
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May 2014 in “The American Surgeon” Low zinc and iron levels can predict hair loss after sleeve gastrectomy in women.
36 citations
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April 2016 in “Experimental Dermatology” Photobiomodulation may help with hair growth and wound healing, but research is inconsistent and needs better quality studies.
31 citations
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December 2012 in “British Journal of Dermatology” Korean women's hair thins, weakens, and greys with age, with mineral and sterol changes.
30 citations
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December 2018 in “Trends in Endocrinology and Metabolism” Both immature and mature fat cells are important for hair growth cycles, with immature cells promoting growth and mature cells possibly inhibiting it.
29 citations
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May 1986 in “Journal of Steroid Biochemistry” Androgens don't directly affect hair cell growth or protein production.
26 citations
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November 2016 in “European Journal of Clinical Pharmacology” Valproic acid helps delay hair loss and increases survival time for high-grade glioma patients undergoing radiation therapy.
26 citations
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March 2015 in “Phytotherapy Research” Forsythiaside-A, a natural substance, can protect against hair loss and is more effective than current treatments, potentially making it a good option for hair loss treatment.
25 citations
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November 2012 in “Phytotherapy Research” Crataegus pinnatifida extract may help increase hair growth and thickness in mice.
14 citations
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October 2016 in “Physiological Research” Alfacalcidiol and metformin together lowered testosterone in women with PCOS, but did not significantly improve acne, hair growth, or pregnancy rates.
13 citations
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June 2021 in “Carcinogenesis” Certain hair straighteners and dyes may increase ovarian cancer risk, especially in African American/Black women.
13 citations
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July 2019 in “Toxicology research” Ethanamizuril is safe for rats at 20 mg/kg feed, but higher doses cause hair loss, organ changes, and liver, kidney, and lung damage.
12 citations
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October 2021 in “Journal of the Science of Food and Agriculture” Vitamin A improves fur quality in heat-stressed Rex rabbits.
12 citations
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January 2020 in “Analyst” Researchers found markers that can tell if hair has been bleached, which could improve hair test accuracy.
11 citations
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July 2004 in “International Journal of Cosmetic Science” The conclusion is that a new method to measure hair shine was confirmed to match people's visual assessments.
9 citations
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January 1981 Nucleophilic reagents break down hair keratin, forming more lanthionine and lysinoalanine than in wool.
8 citations
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January 2015 in “World Journal of Gastroenterology” Hair loss is common in IBD patients, and some medications may lower the risk.
8 citations
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January 2011 The polyherbal ointment significantly promotes hair growth.
7 citations
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February 2018 in “International Journal of Pharmaceutics” Researchers developed a method to measure drugs in hair follicles and found that both water-loving and fat-loving drugs can be detected after being applied to the skin.
7 citations
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February 1962 in “Experimental Biology and Medicine” Male and female mice have different lipid compositions in their skin during hair growth cycles.
6 citations
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April 2017 in “JAMA Dermatology” Men's hair loss is not linked to their sex hormone levels, except for lower DHEAS in those with hair loss.
5 citations
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October 2011 in “Small ruminant research” Goat hair growth and follicle activity change with the seasons and differ between males and females.
5 citations
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December 1991 in “Annals of the New York Academy of Sciences” Minoxidil boosts hair growth by undergoing a process in hair follicles and certain skin cells, and by increasing the production of compounds essential for hair growth and maintenance.