November 2023 in “Cureus” Most people in Jazan know about vitamin D, zinc, and ferritin's link to hair loss but don't practice enough preventive measures.
March 2020 in “Journal of lasers in medical sciences” Laser therapy on human skin affects the HERC6 gene and related genes, influencing many cell processes and requiring careful safety measures.
January 2001 in “Nishi Nihon hifuka” The document concluded that there are differences in hair growth cycles and skin cell turnover rates, which can be measured with electronic equipment.
October 2021 in “International Journal of Andrology” Finasteride, a hair loss drug, has unaddressed sexual side effects due to the manufacturer's inadequate safety measures and lack of additional studies.
5 citations
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June 2016 in “Twin research and human genetics” Hair diameter and curvature are mostly determined by genetics.
2 citations
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January 2024 in “Pakistan Journal of Life and Social Sciences (PJLSS)” The hair treatment materials are safe to use.
2 citations
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April 2020 in “Clinical and experimental obstetrics & gynecology” Hair levels of estradiol and progesterone are higher in premenopausal than postmenopausal women, but the difference isn't statistically significant, indicating the need for a better measurement method.
1 citations
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December 2021 in “American Journal of Obstetrics and Gynecology” Hair cortisol levels peak in the third trimester and decline postpartum.
January 2004 in “Weiliang yuansu yu jiankang yanjiu” Copper levels differ by gender, and young children have higher mineral levels.
The trichotillometer is a simple, effective tool for diagnosing and assessing female pattern hair loss.
192 citations
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January 1976 in “The Journal of Clinical Endocrinology & Metabolism” Androgen levels increase with puberty and are linked to sexual hair development.
121 citations
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January 1991 in “Acta dermato-venereologica” Terbinafine quickly builds up in skin and hair, staying effective for over 3 weeks.
46 citations
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July 1974 in “The Journal of Clinical Endocrinology & Metabolism” Low estrogen and high testosterone may cause excessive hair growth in women.
25 citations
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April 1972 in “American Journal of Clinical Nutrition” Hair chromium levels show past nutritional status, not environmental exposure.
24 citations
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April 2011 in “Journal of Chemical & Engineering Data” Minoxidil dissolves best in methanol and least in water.
19 citations
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September 2009 in “Journal of Chemical & Engineering Data” Flutamide, dutasteride, and finasteride dissolve differently in supercritical carbon dioxide, with dutasteride dissolving the least.
16 citations
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February 1986 in “Clinica Chimica Acta” Zinc deficiency is linked to respiratory infections in children.
15 citations
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June 1996 in “Journal of Pharmacy and Pharmacology” Caffeine levels in hair and blood can indicate liver health.
15 citations
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July 1984 in “Nutrition Research” Selenium increased in hair but not in blood after taking supplements.
11 citations
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September 1999 in “Biological Trace Element Research” Mineral deficiencies in pregnant women can be improved with proper supplementation.
10 citations
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January 1985 in “PubMed” Low zinc levels in hair are linked to hair loss and diaper rash in infants.
7 citations
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April 1992 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” Women with non-classical congenital adrenal hyperplasia have higher levels of certain steroids, which can be reduced by treatment.
6 citations
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May 2019 in “Journal of pharmaceutical sciences” Diffusion in artificial sebum is mainly influenced by molecular size and is much faster than in skin lipids.
6 citations
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April 1989 in “Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms” Sulphur in hair follicles increases from the bulb and then levels off, while other elements vary in distribution.
6 citations
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July 1980 in “PubMed” CF patients with growth issues have more zinc in their hair than those with normal growth.
3 citations
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June 1979 in “The Journal of Dermatology” Glycosaminoglycan levels peak early in hair growth and decrease as the cycle progresses.
February 2026 in “TURKISH JOURNAL OF VETERINARY AND ANIMAL SCIENCES” Hair cortisol is better than blood cortisol for measuring long-term stress in pregnant goats.
September 2021 in “Psychoneuroendocrinology” Nurses had higher stress levels during intense phases of the COVID-19 pandemic.
Human hair affects millimeter radiowaves due to its keratin content.
January 1997 in “Journal of agricultural medicine and community health” Lower zinc and copper and higher cadmium in hair may be linked to non-insulin dependent diabetes.