April 2018 in “Journal of Investigative Dermatology” Fat under the skin can help hair grow longer, darker, and increase cell growth.
5 citations
,
July 2014 in “Journal of X-Ray Science and Technology” Hair analysis can help diagnose cell ion channel activity and calcium deficiency.
2 citations
,
January 2005 in “PubMed” Women with excessive body hair often have higher male hormones and related health issues.
89 citations
,
December 1998 in “The Journal of Steroid Biochemistry and Molecular Biology” Human hair can be used to measure reproductive hormones.
3 citations
,
October 2021 in “Clinica Chimica Acta” Hormone levels in hair vary across the head, with the highest concentration of a key hormone linked to hair loss at the top.
52 citations
,
March 1987 in “Journal of the American Academy of Dermatology” High DHEA-S levels may cause hair loss in young men.
Increased calcium in hair may signal early bone health issues in menopausal women.
November 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” The research identified specific genes that are active in the cells crucial for hair growth.
July 2022 in “Research Square (Research Square)” Hair analysis can somewhat track past testosterone levels but is influenced by factors like hair washing, growth rate, sex, and hair color.
31 citations
,
August 2001 in “PubMed” TrichoScan accurately measures hair growth and showed improved hair counts and thickness after finasteride treatment.
September 2024 in “Journal of Investigative Dermatology” A new tool can analyze hair to detect changes due to hormones, genetics, and aging.
January 2018 in “한국피부장벽학회지” DHCer levels in hair could be a biomarker for alopecia progression.
September 2012 in “European journal of psychotraumatology” A new method accurately measures long-term hormone levels in hair.
34 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Human hair growth is influenced by androgen hormones, and red deer mane follicles have similar hormone receptors.
July 2024 in “Journal of Investigative Dermatology” Human hair follicles have their own thyroid hormone system.
November 2024 in “Frontiers in Endocrinology” Hair analysis can help diagnose adrenal disorders non-invasively.
March 1983 in “The Journal of the American Dental Association” 12 citations
,
January 2009 in “Breast Cancer Basic and Clinical Research” Combining hair x-ray diffraction with mammography improves breast cancer detection.
Mineral deposits form in hair follicles after skin injury, faster in rats given DHT.
May 2003 in “Journal of Investigative Dermatology” The meeting covered advances in understanding hair growth, causes of hair loss, and potential treatments.
2 citations
,
January 2016 in “Scientifica” Researchers created a reliable method to measure dexpanthenol and resorcinol in hair products.
September 2025 in “Journal of Intellectual Disability Research” Measuring hair glucocorticoids for stress is moderately feasible, especially in females and those with moderate intellectual disabilities.
1 citations
,
January 2026 in “International Journal of Dermatology” March 2023 in “Asian Journal of Beauty and Cosmetology” HX109 herbal extract helps hair grow by boosting cell growth and reducing cell death.
December 2025 in “International Journal of Cosmetic Science” A new tool helps better assess and treat hair loss in Chinese men.
January 2024 in “Institutional Repositories DataBase (IRDB)” The method accurately measures steroid hormones in hair to study hormone dynamics related to hair loss.
4 citations
,
January 2021 in “Archives of dermatological research” The study created a new model to better understand human hair growth and health.
March 2021 in “Journal of The European Academy of Dermatology and Venereology” Low quality of life and high HSS-29 scores increase risk of losing patients during treatment.
March 2026 in “Journal of the American Academy of Dermatology” Hair diameter diversity could improve androgenetic alopecia assessment and treatment planning.
March 2018 in “Benha Journal of Applied Sciences” Finger length ratio is not linked to hirsutism or hormone levels.