6 citations
,
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.
The number of CAG repeats in the androgen receptor gene doesn't significantly affect female pattern hair loss in the Han Chinese population.
5 citations
,
January 1997 in “Journal of Occupational Health” The method effectively maps lead and zinc in hair, aiding understanding of heavy metal exposure risks.
10 citations
,
November 2019 in “Neuroendocrinology” Measuring 17-hydroxyprogesterone in hair can help monitor androgen levels in people with congenital adrenal hyperplasia.
5 citations
,
January 1983 in “PubMed” Human skin releases different steroids, with some coming from sebaceous glands and others from sweat glands.
Fetal environments contain various chemicals that may disrupt hormones.
6 citations
,
January 2005 in “Han-guk hyeonmigyeong hakoeji/Applied microscopy” The 16th-century mummy's hair was well-preserved due to a calcium surface coat.
September 2023 in “Environmental health perspectives. Supplements” Girls in Alcalá have higher hair calcium and strontium levels than boys, with lower overall levels than other regions.
January 2017 in “STARS (University of Central Florida)” Steroid hormones can be preserved in ancient hair, revealing insights into past health and fertility.
September 2024 in “Journal of the American Academy of Dermatology” PRO-C22 can help diagnose and monitor the severity of hidradenitis suppurativa.
2 citations
,
January 1975 in “Archives of Dermatological Research” Certain enzymes react strongly with some hormones in rat skin during hair growth, mainly in sebaceous glands and hair sheaths.
36 citations
,
March 2011 in “Stem Cell Reviews and Reports”
May 2023 in “Jurnal farmasi sains dan praktis” The hair tonic with cinnamon oil and coconut oil was stable and caused very mild irritation.
8 citations
,
September 2014 in “Journal of X-Ray Science and Technology” High calcium levels in hair may indicate early breast cancer.
8 citations
,
July 2018 in “Analytical sciences” Using 5-butylpicolinate esters improves the sensitivity and reliability of detecting testosterone and dihydrotestosterone in saliva.
June 2019 in “Reactions Weekly” June 1996 in “Journal of Dermatological Science” 1 citations
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August 1985 in “Proceedings annual meeting Electron Microscopy Society of America” SEM/EDX can analyze hair elements but struggles with trace elements, limiting its forensic use.
25 citations
,
June 2002 in “Steroids” 4-azasteroids, including finasteride, can inhibit 5α-reductase, helping treat conditions like enlarged prostate and hair loss.
2 citations
,
January 2004 in “AIP conference proceedings” Hair analysis can help screen for serious diseases like cancer and osteoporosis.
November 2022 in “Journal of Investigative Dermatology” The fragrance cyclohexyl salicylate helps promote hair growth and increase hair stem cell numbers.
9 citations
,
April 2016 in “Clinical Endocrinology” Scalp hair 17-OHP and androstenedione levels can help monitor treatment in CAH patients.
11 citations
,
June 1979 in “British Journal of Dermatology” The enzyme system in hair follicles is similar to the liver's and is affected by certain inhibitors.
January 2026 in “Clinical Chemistry and Laboratory Medicine (CCLM)” The procedure accurately measures 5-alpha-dihydrotestosterone in blood, useful for standard tests.
2 citations
,
February 2017 in “Science” The Dawn spacecraft found that Ceres has complex organic molecules and a lot of water ice, hinting it might support life.
Ancient herders in the Keriya Valley fed their animals mainly C3 plants, with some C4 plant feeding possibly due to herd movement or seasonal changes.
66 citations
,
February 1985 in “Archives of dermatological research” Hair dyes penetrate the scalp very minimally, less than 1%.
August 2013 in “日本医療薬学会年会講演要旨集” Hair contains complex lipids, including cholesterol and fatty acids, similar to skin.
March 2022 in “VNU Journal of Science Medical and Pharmaceutical Sciences” A new method accurately measures nine steroid hormones in human serum with high sensitivity.
16 citations
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January 2015 in “Forensic science international” The hair of two ancient Chilean mummies is well-preserved and contains high levels of heavy metals.