January 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” Mothers have more hair proteins than their children, with age-related differences in protein patterns, and some proteins in hair could indicate early childhood development.
226 citations
,
January 2002 in “Biological and Pharmaceutical Bulletin” A new method quickly extracts and identifies proteins from hair and other keratin sources.
42 citations
,
January 2011 in “Journal of Biomedical Optics” Infrared and Raman imaging can non-destructively analyze hair structure and help diagnose hair conditions.
23 citations
,
August 2017 in “Scientific Reports” Darker hair may lead to higher cortisol readings, suggesting a need to adjust for hair color in studies.
4 citations
,
May 2021 in “Lasers in Surgery and Medicine” Light therapy reduces scalp inflammation, boosts hair regrowth with Minoxidil 2%.
May 2023 in “Animal Reproduction Update” High levels of cortisol in hair show long-term stress which can lower fertility in animals.
383 citations
,
February 2011 in “Nature Reviews Genetics” DNA profiling in forensics has improved, but predicting physical traits and ancestry from DNA has limitations and requires ethical consideration.
6 citations
,
July 2005 in “Farmaco” A quick and simple method was created to identify minoxidil in hair-growth products using micellar electrokinetic capillary chromatography.
12 citations
,
August 1984 in “Genetics Research” The N gene affects the protein makeup of mouse hair.
January 2014 in “Sen'i Gakkaishi” Researchers developed a method to identify animal fibers in textiles, which works on processed and blended materials.
69 citations
,
April 2005 in “Forensic Science International” Degraded hair shafts resist contamination and can be easily cleaned.
December 2025 in “Journal of Forensic Sciences” Bleaching hair doesn't affect the accuracy of dye identification using SERS.
1 citations
,
October 2025 in “Frontiers in Cardiovascular Medicine” Anabolic-androgenic steroid abuse can cause heart damage and sudden death.
4 citations
,
March 2024 in “Forensic Sciences Research” Forensic DNA phenotyping faces challenges like inconsistent terms and limited genetic knowledge.
December 2022 in “IntechOpen eBooks” Forensic DNA Phenotyping accurately predicts physical traits and is used in investigations, but needs more diverse population data for confirmation.
7 citations
,
January 2019 in “Journal of Analytical Toxicology” Tramadol and THC-COOH can be detected in hair for several months after stopping use.
December 2023 in “Frontiers in Medicine” Hair samples can reliably monitor tacrolimus levels in kidney transplant patients.
30 citations
,
June 2022 in “Animals” Key genes, including KRT39 and KRT74, influence hair length in Inner Mongolia cashmere goats.
8 citations
,
May 2025 in “Biomolecules” Forensic genetics can now predict physical traits and lifestyle habits, with future advancements expected from new technologies.
April 2026 in “BMC Genomics” Hair type differences in cashmere goats are linked to keratin and cytoskeletal organization.
Keratin peptide signatures in hair may help identify gender and ethnicity.
Keratin peptides in hair may help identify gender and ethnicity, but more research is needed.
89 citations
,
December 1998 in “The Journal of Steroid Biochemistry and Molecular Biology” Human hair can be used to measure reproductive hormones.
November 2024 in “Psychoneuroendocrinology” Testosterone increases hair testosterone levels, stress raises hair cortisol, and relationship status affects hormone levels.
3 citations
,
August 2022 in “Molecules/Molecules online/Molecules annual” A new strain of bacteria from the human skin can help prevent hair loss.
August 2024 in “Cosmetics” K18® and Olaplex® both effectively repair bleached hair, improving its strength, smoothness, and overall health.
1 citations
,
January 2019 in “Studia Biologica” Extracted keratin from wool and hair can be used in medicine and bioengineering.
Keratin peptide signatures in hair may help identify gender and ethnicity.
21 citations
,
January 2020 in “Conservation Physiology” Hair follicles increase hair cortisol levels, so consistent hair collection methods are important.
2 citations
,
June 2021 in “Medicine” High levels of cortisol in hair are linked to a greater risk of brain aneurysm rupture.