Hair test results can be misleading due to external contamination, so they shouldn't be used alone to assess long-term drug use.
February 2023 in “Default Digital Object Group” October 2014 in “Microscopy” The method using ionic liquid improves observation of cell structures with less damage.
54 citations
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October 2002 in “Journal of controlled release” Medium lipophilic substances penetrate skin best, and adding ethanol can increase delivery to hair follicles.
Fetal environments contain various chemicals that may disrupt hormones.
7 citations
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August 2012 in “The Journal of Urology” Women with congenital adrenal hyperplasia showed no prostatic growth.
Diphenyl cresyl phosphate has low toxicity but can harm the liver, kidneys, adrenal glands, and testicles at high doses.
94 citations
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July 2020 in “European Journal of Human Genetics” The guidelines ensure accurate genetic testing and reporting for 21-hydroxylase deficiency.
January 2026 in “Journal of Innovative and Creativity (Joecy)” The 4% and 9% celery hair tonics are stable and suitable for herbal cosmetics.
January 2026 in “RSC Advances” Epristeride's metabolism in zebrafish helps improve doping detection methods.
94 citations
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July 1991 in “Clinical endocrinology” Cyproterone acetate at 2mg daily is as effective as higher doses for treating excessive hair growth in women.
12 citations
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February 2023 in “Applied and Environmental Microbiology” Mutants of CYP154C2 enzyme significantly improved steroid conversion efficiency.
January 2025 in “JCEM Case Reports” Ketoconazole improved symptoms of ACTH-independent Cushing syndrome despite inconclusive initial scans.
4 citations
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January 1993 in “Clinical Chemistry and Laboratory Medicine (CCLM)” The new method is 1000 times more sensitive for measuring hair growth.
6 citations
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January 1977 in “Archives of dermatological research” 21 citations
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January 2017 in “MethodsX” Methanol is better than isopropanol for washing grizzly bear hair to measure cortisol.
64 citations
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March 1984 in “Journal of steroid biochemistry/Journal of Steroid Biochemistry” Cyproterone acetate effectively reduced hair growth in hirsute patients by lowering androgen levels and altering androgen metabolism.
12 citations
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June 2011 in “Journal of applied polymer science” L-phenylalanine and hydrolyzed eggwhite protein deeply penetrate human hair.
October 2012 in “Sax's Dangerous Properties of Industrial Materials” Hair cortisol content can indicate cortisol exposure and varies with age, puberty, and BMI in youth.
January 2012 in “The Journal of Qazvin University of Medical Sciences” Early investigation of PCOS in high school girls is necessary due to associated risks and side effects.
14 citations
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May 2023 in “Dermatologic Surgery” VYC-12L effectively improves skin smoothness, reduces fine lines, and boosts hydration.
January 2013 in “วารสารเภสัชศาสตร์อีสาน (Isan Journal of Pharmaceutical Sciences, IJPS)” Carthamus tinctorius floret extract is a safe hair growth promoter with good skin absorption.
1 citations
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May 2024 in “PLoS ONE” Horse hair follicles can be stored at cool or room temperature for a week without losing RNA quality.
November 2023 in “Acta scientific pharmaceutical sciences” Different methods accurately measure Finasteride in medicines and body fluids.
75 citations
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August 2006 in “International Journal of Pharmaceutics” The eucalyptus oil system improved skin delivery of hormones, but safety concerns remain.
November 2022 in “Journal of Investigative Dermatology” The fragrance cyclohexyl salicylate helps promote hair growth and increase hair stem cell numbers.
4 citations
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April 2018 in “Journal of vacuum science and technology. B, Nanotechnology & microelectronics” The conclusion is that a new method can identify cosmetic residues on hair and match them to their products.
2 citations
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January 2013 in “Elsevier eBooks” The chapter explains the causes of excessive hair growth and masculinization in women and how to measure hormone levels related to these conditions.
January 2024 in “Indonesian Journal of Pharmaceutical Education” The Caffein Herbasome® cream is stable and suitable for skin use.