25 citations
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March 2014 in “Experimental Dermatology” Leptin helps start the growth phase of hair.
25 citations
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July 1994 in “Journal of dermatological science” Testosterone affects hair follicles differently across body sites, with beard hair follicles showing more activity of a specific enzyme and presence of androgen receptors compared to scalp hair.
23 citations
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March 2017 in “Journal of Investigative Dermatology” An artificial lipid barrier can restore hair growth in cases of SCD1 deficiency.
Environmental pollutants like glyphosate, fluoride, and electromagnetic fields can cause health problems by damaging mitochondria and affecting metabolism.
6 citations
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August 2014 in “Toxicologic pathology” Blocking DGAT1 reduces oil gland size in mice and dogs, but only mice experience hair loss.
5 citations
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June 2018 in “Elsevier eBooks” Testosterone is important for male sexual traits, reproduction, muscle and bone health, blood production, and metabolism, and works both directly and after being changed into other hormones.
1 citations
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October 2023 in “The Journal of nutrition, health & aging” Higher hair levels of zinc and chromium were linked to less cognitive decline in very old people.
1 citations
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March 2020 in “Functional foods in health and disease/Journal of functional foods in health & disease” OM-X® helped prevent negative effects of Vitamin C deficiency in mice, suggesting it could protect organs and regulate metabolism.
February 2026 in “iScience” Hair metal analysis may help diagnose Parkinson's disease and suggests gut involvement.
December 2025 in “Experimental Dermatology” Improving blood vessel health and controlling uric acid may help manage alopecia areata.
August 2025 in “Journal of Medical and Life Science” Women with PCOS in Missan Province have higher weight, hormonal imbalances, and metabolic issues.
May 2007 in “Proceedings of the National Academy of Sciences of the United States of America” Alexander the Great's engineers built a causeway using a natural sand bridge, some tiger moths avoid bats by mimicking toxic relatives' sounds, early metabolism and RNA enzymes support the ancient RNA world theory, and vitamin D is crucial for hair growth and its absence can cause baldness.
January 1999 in “Proceedings of the British Society of Animal Science” Biotin deficiency may harm hair follicle health and growth in Angora goats.
55 citations
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February 1975 in “Journal of Cutaneous Pathology” Dermal cell activity increases during hair growth in rats.
29 citations
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May 1975 in “Clinical Endocrinology” Combination therapy significantly reduces testosterone and moderately reduces hair growth in women with hirsutism.
6 citations
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July 1994 in “Journal of Dermatological Science” Introducing the rat OTC gene normalized hair growth in SPF-ASH mice.
3 citations
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June 2025 in “Stem Cell Research & Therapy” Hair follicle-derived melanocyte transplant could effectively treat vitiligo by restoring skin color.
April 2026 in “Molecules” Yeast-derived vesicles can improve hair follicle health and promote hair growth.
February 2026 in “Biomedicine & Pharmacotherapy” MLPH helps hair grow by activating IGF-1 signaling in hair cells.
January 2026 in “International Journal of Molecular Sciences” Understanding molecular signals and genetics is key to improving hair regeneration therapies.
Caffeine in Alpecin shampoo may help prolong hair root activity and reduce hair loss.
46 citations
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May 2009 in “Maturitas” Taking DHEA for a year is generally safe for postmenopausal women but may cause acne and more facial hair without improving metabolism or aging.
14 citations
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July 2011 in “Experimental Dermatology” Applying EGCG on the skin can prevent hair loss caused by testosterone in mice.
3 citations
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April 2015 in “American journal of biomedical sciences” Androgens play a key role in hair growth and disorders like baldness and excessive hairiness.
126 citations
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January 1987 in “Journal of The American Academy of Dermatology” The document concludes that understanding hair structure is key to diagnosing hair abnormalities and recommends gentle hair care for management.
124 citations
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July 1997 in “Journal of Biological Chemistry” Overexpressing a specific enzyme in mice causes hair loss and female infertility.
77 citations
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July 2020 in “Cell” Muscles and nerves that cause goosebumps also help control hair growth.
59 citations
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January 2021 in “Genes” Twelve key genes may improve cashmere production by influencing hair follicle cycles.
44 citations
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October 1990 in “Archives of Dermatological Research” The connective tissue around hair follicles changes structure throughout the hair cycle.
33 citations
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December 1982 in “Developmental Medicine & Child Neurology” Hair-shaft abnormalities can indicate neurological disorders, some of which are treatable.