15 citations
,
January 2008 in “Annales de Toxicologie Analytique” Hair test results can be misleading due to contamination, so they shouldn't be used alone to determine drug use.
Hair test results can be misleading due to external contamination, so they shouldn't be used alone to assess long-term drug use.
June 2014 in “Toxicologie analytique et clinique/Annales de toxicologie analytique” Hair analysis can be unreliable due to external contamination and varying drug concentrations.
64 citations
,
April 1972 in “American Journal of Clinical Nutrition” Hair chromium levels reflect nutritional status after standard washing.
December 2002 in “International Journal of Cosmetic Surgery and Aesthetic Dermatology” No significant link was found between male pattern baldness and Pityrosporum fungi.
Forensic hair analysis for drugs is now more reliable and accurate.
21 citations
,
January 2017 in “MethodsX” Methanol is better than isopropanol for washing grizzly bear hair to measure cortisol.
1 citations
,
August 2006 in “International forensic science and investigation series” Hair testing is a reliable method for detecting workplace drug use when done with proper sample preparation and confirmation.
19 citations
,
June 2020 in “General and comparative endocrinology” Hair cortisol is a reliable stress indicator in cattle but may not be valid for pigs.
4 citations
,
September 1999 in “Journal of Clinical Forensic Medicine” Caffeine in hair might help identify people, but it's not always reliable.
November 2025 in “Wiley Interdisciplinary Reviews Forensic Science” Hair testing is a useful method for detecting past substance use and recent advancements improve its accuracy and reliability.
January 2011 in “Nuclear Techniques” Lead levels in hair increased due to environmental exposure, while iron, copper, and zinc levels stayed stable.
10 citations
,
January 1980 in “Ultrastructural pathology” Green hair has high copper levels due to contaminated water and damaged hair cuticles.
12 citations
,
October 1954 in “Textile Research Journal” Hair absorbs alkali bromide salts and water, affecting its structure, with absorption decreasing at higher temperatures.
February 2026 in “Frontiers in Medical Technology” Keratinocyte stem cells are crucial for skin renewal and have potential in wound healing and tissue regeneration.
December 2025 in “Universities Journal of Phytochemistry and Ayurvedic Heights” Herbal medicines need strict quality control to ensure safety and authenticity.
51 citations
,
August 2012 in “Differentiation” Mouse genital development depends on male or female hormones for specific features.
October 2023 in “Biomaterials” Nanotechnology could improve hair regrowth but faces challenges like complexity and safety concerns.
March 2024 in “American journal of veterinary research” Clippers are the best tool for collecting dog hair for chemical tests, being fast and stress-free for the dog.
21 citations
,
December 2011 in “Chungara” Mummy hair's chemical composition may not accurately show ancient people's health due to environmental contamination.
69 citations
,
April 2005 in “Forensic Science International” Degraded hair shafts resist contamination and can be easily cleaned.
January 2026 in “Nano-Micro Letters” 4D scaffolds made with melt electrowriting can change shape for use in medicine.
94 citations
,
July 2020 in “European Journal of Human Genetics” The guidelines ensure accurate genetic testing and reporting for 21-hydroxylase deficiency.
7 citations
,
September 2024 in “Applied Microbiology and Biotechnology” Malassezia furfur lipids improve skin health at pH 6.
January 2013 in “Springer eBooks” Hair care products are important for appearance and self-esteem, and choosing the right ones can help maintain healthy hair.
7 citations
,
February 2021 in “Legal Medicine” Hair analysis showed very high metformin levels in two fatal overdose cases, suggesting it's useful in forensics but sweat may affect results.
May 2023 in “Frontiers in chemistry” Zolpidem shows up in hair from the top back of the head after one dose and fades over time, suggesting it gets into hair through blood and sweat.
January 2023 in “Advances in pharmacology and clinical trials” Human hair is a significant sample for various tests in clinical, nutritional, archaeological, and forensic studies.
202 citations
,
June 2005 in “Aaps Pharmscitech” Lecithin organogels could be good for applying drugs to the skin because they are stable, safe, and can improve drug absorption.
19 citations
,
December 2016 in “The journal of pharmacology and experimental therapeutics/The Journal of pharmacology and experimental therapeutics” Certain drugs increase calcium levels in cancer cells by triggering internal calcium release.