158 citations
,
January 2003 in “Journal of Forensic Sciences” Hair testing can detect a single GHB exposure, useful for documenting sexual assault.
1 citations
,
July 2021 in “Forensic science international” Both a lock of hair and a single hair strand can show chronic drug use, but at least six single hairs are needed for accurate results.
1 citations
,
December 2018 in “IntechOpen eBooks” Human hair shows promise for non-invasive medical testing, but more research is needed to standardize its use.
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.
December 2025 in “Drug Testing and Analysis” Hair testing is crucial for forensic science and public health.
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.
September 2001 in “Emergency Medicine News” Hair testing is effective for detecting long-term drug use.
47 citations
,
June 2015 in “Contact Dermatitis” A standardized patch test for hair cosmetics is needed in Europe to prevent allergies, especially for hairdressers.
August 2007 in “Microscopy and Microanalysis” Hair fibers break by cuticle cell slipping, shape changing, cuticle fraying, and surface cracking when stretched under specific conditions.
December 1991 in “Employment relations today” Hair follicle testing is more reliable and effective for drug screening than urinalysis.
December 2023 in “JSFK (Jurnal Sains Farmasi Klinis)/JSFK (Jurnal Sains Farmasi dan Klinis)” The 0.3% cocoa bean extract tonic is best for hair growth in mice.
12 citations
,
January 2020 in “Analyst” Researchers found markers that can tell if hair has been bleached, which could improve hair test accuracy.
December 2023 in “Data in Brief” Curly hair's strength and flexibility vary with moisture and temperature.
September 2010 in “Hair transplant forum international” Pre-operative ECG testing is important for hair transplant patients.
11 citations
,
November 2012 in “Seminars in Cutaneous Medicine and Surgery” Genetic factors affect hair loss, and molecular testing may help predict, diagnose, and treat it.
1 citations
,
October 2020 in “PubMed” Hormone testing may not be very helpful in diagnosing female pattern hair loss.
September 2016 in “Toxicology letters” The 5050 MHA42MCS45 hydrogel blend is suitable for repairing load-bearing soft tissues.
44 citations
,
November 2018 in “Journal of applied ecology” Hair analysis for stress and reproductive hormones in wildlife needs more research for accuracy across species.
8 citations
,
January 2019 in “Experimental Dermatology” The 3D skin model is better for hair growth research and testing treatments.
6 citations
,
February 2014 in “Experimental Dermatology” Hair follicle regeneration is possible but challenging, especially in humans, due to the need for specific cells and a better understanding of how they signal growth.
3 citations
,
March 2023 in “Scientific Reports” Researchers developed a new method to test hair growth drugs and found that adult cells are best for hair growth, but the method needs improvement as it didn't create mature hair follicles.
April 2026 in “Science & Justice” Hair analysis can confirm drug use but can't accurately measure how much was taken.
16 citations
,
June 2017 in “PLoS ONE” A 6-group hair classification is more reliable for drug testing than an 8-group system.
June 2024 in “British Journal of Dermatology” Dermatologists vary widely in testing practices for alopecia areata, often exceeding guideline recommendations.
January 2024 in “Journal of Cosmetics Dermatological Sciences and Applications” The creams are safe for pubic hair removal with minor, temporary skin irritation.
157 citations
,
April 1997 in “International journal of legal medicine” Cosmetic hair treatments like bleaching and dyeing reduce drug levels in hair samples.
21 citations
,
January 2020 in “Conservation Physiology” Hair follicles increase hair cortisol levels, so consistent hair collection methods are important.
July 2019 in “Journal of The American Academy of Dermatology” Lab tests for female hair loss have unclear usefulness; consider based on symptoms.
36 citations
,
November 2005 in “Forensic Science International” BioPlex-11 improves DNA profiling from telogen hair roots in forensic work.
November 2024 in “Journal of Investigative Dermatology” Ursolic and shikimic acid together boost hair growth better than alone.